May 2020 - AMSAT-BB - mailman.amsat.org

AO-27
by George Henry 10 May '20

10 May '20

Just worked Michael (N3UC) thru it... Nice signal from the old bird! George, KA3HSW

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K5Z Returning to DL88 Tentatively on June 1st
by Ron Bondy 10 May '20

10 May '20

Hi Everyone, Our attempt to activate DL88 on satellites in March as K5Z in Big Bend National Park was unsuccessful due to rain. We have a new plan now to pick multiple dates to activate DL88 and make a go / no go decision a few days earlier based on the current weather report. We are doing this to pick a date with favorable weather so we can get in and out of DL88 safely. We plan to activate DL88 in Big Bend National Park by driving in 30 miles on back country (dirt) roads. We plan to rent a vehicle with 10 inches of clearance as recommended by Clayton W5PFG. Big Bend National Park is still closed, but we are hoping it will open June 1st for day use. Doug N6UA and myself Ron AD0DX are planning to activate DL88 on June 1st if there is no rain in the forecast and we believe we can get in and out safely. I have setup K5Z on qrz.com, please follow along there for updates. Finally, the AMSAT community has been very generous again to donate $1000 to help with our expenses for the trip. Doug and I really appreciate the generosity of everyone that donated. We love to rove and activate grids, and the financial assistance lets us travel more and make these grids available to grid chasers. Thanks to everyone that donated, we are very grateful for both the large and the small donations. THANK YOU! I post regularly on Twitter as @ad0dx and I will also keep the K5Z page on qrz.com up to date. Let's keep our fingers crossed that Big Bend National Park opens up on June 1st and that the weather cooperates as well. We plan to make the 3 hour drive in and out of DL88 in the same day. Look for us to be active approximately 10am local (1500z) to 5pm local (2200z) This trip is mainly focused on DL88 but we will activate a few other grids on the way to DL88. We are still discussing our route and will post details regarding other grids when available. We will be active on both FM and linear satellites. Please contact me offlist at ad0dx at yahoo dot com if you have any questions about the trip. Cheers and 73, Ron ad0dx

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ANS-131b Special Bulletin: HuskySat-1 Transponder is Open
by Mark D. Johns 10 May '20

10 May '20

AMSAT NEWS SERVICE ANS-131b The AMSAT News Service bulletins are a free, weekly news and infor- mation service of AMSAT, The Radio Amateur Satellite Corporation. ANS publishes news related to Amateur Radio in Space including reports on the activities of a worldwide group of Amateur Radio operators who share an active interest in designing, building, launching and commun- icating through analog and digital Amateur Radio satellites. The news feed on http://www.amsat.org publishes news of Amateur Radio in Space as soon as our volunteers can post it. Please send any amateur satellite news or reports to: ans-editor(a)amsat.org You can sign up for free e-mail delivery of the AMSAT News Service Bulletins via the ANS List; to join this list see: http://www.amsat.org/mailman/listinfo/ans In this edition: * Huskysat-1 Transponder is Open SB SAT @ AMSAT $ANS-131.02 ANS-131b AMSAT News Special Bulletin AMSAT News Service Bulletin 131.02 >From AMSAT HQ KENSINGTON, MD. DATE 2020-May-10 To All RADIO AMATEURS BID: $ANS-131.02 Huskysat-1 Transponder is Open After a week of testing, the transponder on HuskySat-1 is enabled and open for use and testing. It’s fairly sensitive, and 5-10 watts is plenty most of the time. There are some fades due to satellite orien- tation, and some passes are definitely better than others. The opera- tions and engineering teams are also watching a few anomalies. Please keep an eye on the beacon during transponder ops, for those with spec- trum scopes. Strong signals may impact the beacon strength. HuskySat-1 is the Husky Satellite Lab at University of Washington’s first cubesat, and the first mission with AMSAT’s linear transponder module (LTM-1), a V/u transponder and integrated telemetry beacon and command receiver. UW recently completed their Part 5 operations and have graciously let AMSAT’s Part 97 transponder operations commence. This transponder module is available for use in educational cubesat missions willing to enable the transponder for worldwide use. Contact myself or VP Engineering Jerry Buxton for additional details. Reports and observations are welcome to the amsat-bb mailing list. Congratulations to Husky Satellite Lab, and to the entire AMSAT Engineering team for keeping amateur radio in space. Thanks to Dr. Mark Hammond, N8MH for commissioning and operations support. 73, Drew KO4MA AMSAT VP Operations HuskySat-1 V/u inverting transponder, 145.910 to 145.940 uplink, 435.810 to 435.840 downlink, telemetry beacon 1200 baud BPSK at 435.800 --------------------------------------------------------------------- /EX In addition to regular membership, AMSAT offers membership in the President's Club. Members of the President's Club, as sustaining donors to AMSAT Project Funds, will be eligible to receive addi- tional benefits. Application forms are available from the AMSAT Office. Primary and secondary school students are eligible for membership at one-half the standard yearly rate. Post-secondary school students enrolled in at least half time status shall be eligible for the stu- dent rate for a maximum of 6 post-secondary years in this status. Contact Martha at the AMSAT Office for additional student membership information. 73 and Remember to help keep amateur radio in space, This week's ANS Editor, Mark D. Johns, K0JM k0jm at amsat dot org

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2.4 GHz Driver Amp Kit + IARU-R2 Satellite Workshop on YouTube
by M5AKA 10 May '20

10 May '20

Filtered 2400 MHz Driver Amplifier Kit designed by David Bowman G0MRF now available. Contains all the parts required to drive a PA on 2.4 GHz for QO-100. The completed board will have a gain of about 25 – 26 dB and for best linearity, should be kept to 200 mW output https://amsat-uk.org/2020/05/10/filtered-2400-mhz-driver-amplifier-kits/ CAS-7C 2U CubeSat with V/U transponder is planned to launch on September 15, 2020 with CAS-5B and CAS-7A from Jiuquan Launch Center into a 500 km orbit http://amsatuk.me.uk/iaru/formal_detail.php?serialnum=740 Online Amateur Radio Satellite talk on Zoom on Wednesday, May 13 at 1830 GMT https://amsat-uk.org/2020/05/05/online-amateur-radio-satellite-talk-zoom/ Amateur Satellite Workshop on YouTube on May 27 at 2300 GMT http://www.southgatearc.org/news/2020/may/amateur-satellite-workshop-on-you… Videos of talks given at the Online Satellite Workshop held May 2-3 are available http://www.southgatearc.org/news/2020/may/online-satellite-workshop-talks-a… Spring issue of OSCAR News available to members https://amsat-uk.org/2020/05/04/spring-issue-of-oscar-news-available/ Trevor M5AKA---- AMSAT-UK http://amsat-uk.org/ Twitter https://twitter.com/AmsatUK Facebook https://facebook.com/AmsatUK YouTube https://youtube.com/AmsatUK ----

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Fw: Fixed Antenna
by k6vug＠sbcglobal.net 09 May '20

09 May '20

resending to the correct BB email address... - Umesh ----- Forwarded Message ----- From: k6vug(a)sbcglobal.net <k6vug(a)sbcglobal.net>To: Randy Davenport <pastor.spaceboy(a)gmail.com>Cc: "amsat(a)amsat-bb.org" <amsat(a)amsat-bb.org>Sent: Saturday, May 9, 2020, 4:58:29 PM PDTSubject: Re: [amsat-bb] Fixed Antenna Please also see https://www.rtl-sdr.com/simple-noaameteor-weather-satellite-antenna-137-mhz… 73!Umeshk6vug On Saturday, May 9, 2020, 4:52:52 PM PDT, k6vug(a)sbcglobal.net <k6vug(a)sbcglobal.net> wrote: Basically it is a inverted Vee made with stiff wire but mounted horizontally. The arms of the Vee facing into the AOS and along the path of the pass. This article should help - Center-fed Horizontal V-dipole | | | | Center-fed Horizontal V-dipole KK4OBI Discussion about Horizontal, Center-fed, V-dipoles. Gain, impedance, SWR, changes in characteristics with change... | | | See 3rd paragraph, six to 12 feet off the ground/roof decouples it quite well from the surrounding. Just run the coax along the vertical support. Works best for NOAA and loud birds like AO-91, AO-92. NOAA image - noaa-18-201902021712-hvct_cm97.jpg | | | | | | | | | | | noaa-18-201902021712-hvct_cm97.jpg NOAA 18 southbound 60W at 02 Feb 2019 17:13:33 GMT on 137.9125MHz, HVCT enhancement, Normal projection, Channel ... | | | 73!Umesh On Saturday, May 9, 2020, 3:47:37 PM PDT, Randy Davenport <pastor.spaceboy(a)gmail.com> wrote: How does a horizontal vee dipole work with the ham says?Randy ka4nma On Sat, May 9, 2020, 5:53 PM k6vug--- via AMSAT-BB <amsat-bb(a)amsat.org> wrote: If you are ok with a nuts, bolts and small tools, a horizontal-Vee dipole is a great fun project to do and use, I demo NOAA WX sats with it. 73!Umeshk6vug On Saturday, May 9, 2020, 12:45:52 PM PDT, Pedro Converso via AMSAT-BB <amsat-bb(a)amsat.org> wrote: If you have a piece of 300ohm TV line, I have had reasonable success with this simple low SWR, dual band antenna, specially on the more common low elevation passes: http://amsat.org.ar/Dual-Band_VHF-UHF_Twinlead_J-Pole_Antenna_pdf-notes_201… 73, lu7abf, Pedro On 5/9/20, GEO Badger via AMSAT-BB <amsat-bb(a)amsat.org> wrote: > Oops, this should have gone to the list. My two way wrist watch is acting > up. > Or build a j-pole for 70cm. All these can be built inexpensively with items > from your local home improvement store. You might also contact local hams. > > BTW, since it is for RX only, the dimensions aren't very critical. > --- > Ciao baby, catch you on the flip side > 73 de W3AB/GEO > > http://www.w3ab.org > > You can say "over", you can say "out", you just can't say "over and out". > > On Saturday, May 9, 2020, 11:32:23 AM PDT, Gregory Beat via AMSAT-BB > <amsat-bb(a)amsat.org> wrote: > > START with SIMPLE ... Build a Vertical Dipole for 70cm, > then LISTEN to RS-44 beacon and linear transponder. > https://amsat-uk.org/2020/04/30/dosaaf-85-rs-44-amateur-radio-transponder-a… > > 20 years ago, Jerry Brown, K5OE wrote a series of DIY Antenna Construction > articles, some of these were published in the Amsat Journal. These > satellite and VHF/UHF antennas were built by countless AMSAT members across > the world. > http://wb5rmg.somenet.net/k5oe/ > > Eggbeater II Omni LEO Antenna > http://wb5rmg.somenet.net/k5oe/Eggbeater_2.html > > Texas Potato Masher II Antenna > http://wb5rmg.somenet.net/k5oe/Texas_Potato_Masher_2.html > > 70cm Quagi Antenna > http://wb5rmg.somenet.net/k5oe/70cm_quagi.html > > Jeff, K7XQ had problems with all Eggbeater designs (not impressed with > performance). > He developed a Tall Quadfillar Helix Antenna ... but no longer posted on web > page. > > greg, w9gb > AMSAT-NA, AMSAT-UK > == > > Date: Sat, 9 May 2020 10:53:55 -0600 (MDT) > From: James Johnson, VA7CND > To: AMSAT-BB Reflector > Subject: [amsat-bb] Fixed Antenna > > I have been trying to find a used Eggbeater or similar antenna to use to > listen for Satellites. > The exchange on the USD to CND currency is a killer. I noticed many plans to > build one on the internet. Any suggestions which one would be worth trying > for RX to start? > > 73, VE7HJ > _______________________________________________ > Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available > to all interested persons worldwide without requiring membership. Opinions > expressed > are solely those of the author, and do not reflect the official views of > AMSAT-NA. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb > > _______________________________________________ > Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available > to all interested persons worldwide without requiring membership. Opinions > expressed > are solely those of the author, and do not reflect the official views of > AMSAT-NA. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb > _______________________________________________ Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb _______________________________________________ Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb

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SatPC32 V. 12.8d - Satellites Source Files issues
by Rafael Pena 09 May '20

09 May '20

Fellows I would like some guidance with the satellites source files. The following has started to bug my mind. I have added certain satellites under the various source files, i.e., amateur, nasa, nasabre TXT files. nasa has lots of them. When I switch to any other one, I lose the nasa set up and the last one I pick remains the default for all of them. It is a pain because then I have to recreate each one again the way I like them. I don't recall this happening before. Did I touch something? Rafael / NN3RP

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ANS-131 AMSAT News Service Weekly Bulletins
by Mark D. Johns 09 May '20

09 May '20

AMSAT NEWS SERVICE ANS-131 The AMSAT News Service bulletins are a free, weekly news and infor- mation service of AMSAT, The Radio Amateur Satellite Corporation. ANS publishes news related to Amateur Radio in Space including reports on the activities of a worldwide group of Amateur Radio operators who share an active interest in designing, building, launching and commun- icating through analog and digital Amateur Radio satellites. The news feed on http://www.amsat.org publishes news of Amateur Radio in Space as soon as our volunteers can post it. Please send any amateur satellite news or reports to: ans-editor(a)amsat.org You can sign up for free e-mail delivery of the AMSAT News Service Bulletins via the ANS List; to join this list see: http://www.amsat.org/mailman/listinfo/ans In this edition: * 2019 Back Issues of The AMSAT Journal on launch.amsat.org * Call for Nominations - 2020 AMSAT Board of Directors Election * New Chinese Amateur Satellites Expected to Launch in September * Cubesat Developers Workshop Presentations Available * Visual Observations Of RS-44 Underway * Hack-a-Sat Call for Participation * NASA TV To Air Cygnus Departure From Space Station * Online Amateur Radio Satellite Talk on Zoom * Satellite Distance Records Set * Upcoming Satellite Operations * ARISS News * Hamfests, Conventions, Maker Faires, and Other Events * Satellite Shorts From All Over SB SAT @ AMSAT $ANS-131.01 ANS-131 AMSAT News Service Weekly Bulletins AMSAT News Service Bulletin 131.01 >From AMSAT HQ KENSINGTON, MD. DATE 2020-May-10 To All RADIO AMATEURS BID: $ANS-131.01 2019 Back Issues of The AMSAT Journal on launch.amsat.org AMSAT's new online member portal, launch.amsat.org, is up and running. All AMSAT members must log in and update their contact information to ensure continued, uniterrupted service. Full instructions for getting logged in are in the March/April issue of The AMSAT Journal, avail- able for free download on amsat.org and launch.amsat.org. There is also separate instructions on each site. Those interested in joining AMSAT can create an account, using the Join link on launch.amsat.org IMPORTANT UPDATE: AMSAT's Member Portal not only puts you in charge of your member account but gives you exclusive access to member-only content. Want to read back issues of The AMSAT Journal, in full color? We just posted all 2019 issues, plus the first two issues of 2020. We will continue to work on uploading prior years, so check back often. Log in today! (ANS thanks Robert Bankston, KE4AL, AMSAT VP-Member Services for the above information) +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ Due to the COVID-19 pandemic, the AMSAT office is closed until further notice. For details, please visit https://www.amsat.org/amsat-office-closed-until-further-notice/ +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ Call for Nominations - 2020 AMSAT Board of Directors Election AMSAT solicits nominations for the 2020 AMSAT Board of Directors election, to be held in the third quarter of the year. The seats of the following three incumbent Directors expire in 2020 and will be filled by this year's election: Tom Clark, K3IO; Mark Hammond, N8MH; and Bruce Paige, KK5DO. Further, up to two Alternate Directors may be elected for one-year terms. A valid nomination for Director must be written and requires either one Member Society or five current individual members in good standing to nominate an AMSAT member. Written nominations, with the nominee’s name, call sign, and contact information, as well as the nominators' names, call signs, and contact information, should be sent to the AMSAT Secretary: Brennan Price, N4QX 300 Locust St SE, Unit E Vienna VA 22180-4869 brennanprice at verizon.net A copy should be sent to AMSAT Manager, Martha Saragovitz, at martha at amsat.org. The AMSAT bylaws require that the nomination be written and in the form specified by the Secretary. In light of the ongoing pandemic and the resulting closure of the physical office, the Secretary has elected to accept written nomination materials in electronic form, including e-mail or electronic image of a paper document. Fax trans- missions cannot be accepted due to the closure of the office. No matter what means are used, petitions MUST be received by the Secretary no later than June 15th. The Secretary will verify the qual- ifications of candidates and nominating members or Member Societies as petitions are received, and will notify candidates whether their nom- inations are in order by the end of June. [ANS thanks Brennan Price, N4QX, AMSAT Secretary, for the above information] --------------------------------------------------------------------- New Chinese Amateur Satellites Expected to Launch in September Two new Chinese amateur radio satellites are now expected to launch on September 15, 2020. The first of these satellites, CAS-7A, is a 27 kg microsat (750 mm x 650 mm x 260 mm) with three-axis stabilization and several transponders. The transponders include a 15m to 10m linear transponder (H/t), a 15m to 70cm linear transponder (H/u), and a 2m to 70cm linear transponder(V/u). The satellite also includes a 2m to 70cm (V/u) FM transponder. Several beacons and data downlinks are also feat- ured, CW beacons on 10m and 70cm, 4.8k or 9.6k GMSK telemetry on 70cm, and a 1 Mbps GMSK image data downlink on 3cm for the on board camera. IARU coordinated frequencies for the uplinks and downlinks are listed below. This launch is also expected to carry CAS-7C, a 2U CubeSat with a V/u linear transponder and a CW beacon. Frequencies for CAS-7C have not been coordinated by the IARU at the time of this writing. CAS-7C will also deploy a 1 mm diameter 1080 meter long carbon fiber rope. CAS-7A and CAS-7C will launch from Jiuquan Satellite Launch Center into a 500 km sun-synchronous orbit with an inclination of 98 degrees. Frequencies: CAS-7A H/t Linear Transponder Uplink - 21.245MHz through 21.275 MHz Downlink - 29.435MHz through 29.465 MHz CW Beacon 29.425 MHz CAS-7A H/u Linear Transponder Uplink - 21.3125 MHz through 21.3275 MHz Downlink - 435.3575 MHz through 435.3725 MHz CW Beacon 435.430MHz CAS-7A V/u Linear Transponder Uplink - 145.865 MHz through 145.895 MHz Downlink - 435.385 MHz through 435.415 MHz CW Beacon 435.430MHz CAS-7A V/u FM Transponder Uplink 145.950 MHz Downlink 435.455 MHz 4.8k / 9.6k GMSK telemetry downlink - 435.480 MHz 1 Mbps GMSK image data downlink - 10460.00 MHz [ANS thanks the IARU for the above information] --------------------------------------------------------------------- Cubesat Developers Workshop Presentations Available Although we are not able to come together in San Luis Obispo for the CubeSat Developers Workshop today, we are excited to share some of the presentations that would have taken place with you online. Find the slide decks for these presentations on our archive <http://mstl.atl.calpoly.edu/~workshop/archive/> as well as videos on our YouTube channel <https://www.youtube.com/channel/UCENz0fNHsDR8Kz3jM6C_VWw/featured>. You will also be able to find all of our previous Workshop presentations in NASA's Small Spacecraft Systems Virtual Institute (S3VI) <https://www.nasa.gov/smallsat-institute>. We are excited to have our archives integrated into S3VI and hope you can use this tool to further your research and involvement with CubeSat. If you were selected to present your abstract at this year's Workshop and would still like your presentation to be included in our archive, email us at cubesat-workshop(a)calpoly.edu <mailto:[email protected]>. We also want to share some of our CDW Zoom backgrounds with you. Feel free to download and use them in your next meeting! We look forward to welcoming you all back to San Luis Obispo from *April 27-29, 2021* for the next CubeSat Developers Workshop. We will continue to announce new deadlines and registration information via email and on our website <https://www.cubesat.org/workshop-information> as we continue to plan for 2021. Be sure to join the CubeSat Workshop mailing list <http://www.cubesat.org/mailinglist/> for future announcements. We hope you continue working together (from home) to advance CubeSats [ANS thanks JoAnne Maenpaa, K9JKM, for the above information] +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ Need new satellite antennas? Purchase Arrows, Alaskan Arrows, and M2 LEO-Packs from the AMSAT Store. When you purchase through AMSAT, a portion of the proceeds goes towards Keeping Amateur Radio in Space. https://amsat.org/product-category/hardware/ +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ Visual Observations Of RS-44 Underway Visual observations of the payload and attached Briz-KM rocket body made whilst the object has been flying over the UK at night, indica- ted a rotation period of 19 seconds. Optically with binoculars, it appeared between magnitude +5 to invisible in hazy moonlit skies, on near zenithal transits. No flashes nor glints were observed, which could indicate the stack is in a slow roll along the longitudinal axis, rather than a tumbling motion. On a radio aspect, it would appear the beacon signals are stronger as the payload approaches, declining thereafter upon passing TCA. Assuming RS-44 is mounted to the front and that some aerials have deployed, then this would account for the phenomenon, as receding away from the station would have the aerials blocked by the Briz rocket body - however, I have not seen any information released as to the physical condition of RS-44. It would be useful for the transmit- ters to remain on, to monitor over the long term if the nutation rate slows over time. The CW beacon was timed at 20 seconds between trans- mission, which fits with the optical work, but this may well just be coincidental as to how the beacon is programmed. Later radio monitoring indicates the beacon repetition is 15-16 sec- onds on the callsign being transmitted. Whether this ties in with hopefully future optical work to see if the spin rate has slowed to the same, or we have a differential - we wait and see! [ANS thanks Max White, M0VNG, for the above information] --------------------------------------------------------------------- Hack-a-Sat Call for Participation I've put out the call for participation for the Hack-a-Sat competition in the past, and would like to bring you all up to date on the devel- opments and opportunities that have developed since. The website is here: https://www.hackasat.com/ Hack-a-Sat is an activity that was scheduled to happen at the in-per- son DEFCON event. As of today, yes, it's true. DEFCON has been cancelled. Those of you that have volunteered at Ham Radio Village in the past are familiar with the event. For those of you that are not, it's a long-running hacking and cybersecurity event that has enthusiastical- ly adopted everything RF and amateur radio. The United States Air Force, in conjunction with the Defense Digital Service, organized this year’s Space Security Challenge, called Hack- A-Sat. This challenge asks hackers from around the world to focus their skills and creativity on solving cybersecurity challenges on space systems. This competition is going to be held! It's now a vir- tual event. Security in the amateur radio sense of the word is fundamentally dif- ferent from commercial and military applications. We have an advan- tage here, mainly due to the enormous leverage we have due to our con- text being completely different from what the Air Force and commercial interests assume. This is, essentially, a diversity advantage. If you want to participate on an experienced Capture The Flag (CTF) team, then I am here to extend an invitation. Anyone that reads through the rules and can afford to spend some time during the event is invited to apply to join Vaporsec. This is a team that has a major- ity of information security professionals. There are some satellite industry people, some amateur involvement, and I'd like to make sure that anyone interested in competing from AMSAT-BB gets a chance to join a competitive team. The benefits to amateur radio are primarily technical, with policy and security a close second. The Air Force has some agendas here in terms of improving satellite security. Exposure to the challenges alone is a an excellent opportunity to learn more about modern satellite technol- ogy...and what a significant player in space wants to find out more about. Don't assume that that the challenges in the competition are going to be "too hard." What is trivial for one viewpoint is unsolv- able for another. I'll be writing about the event and what we learned when it is over, so this sort of knowledge will not be secret. However, there is no replacement for participation, and you could very well have the prac- tical knowledge, gained from operating real satellites, that wins the competition. As you can see from the website, there is some real money involved and opportunities for technical writing. Let me know at w5nyv(a)arrl.net if you would like to talk more about joining a CTF team for this really neat and unique event. Know someone that you think should participate? Please forward to them. [ANS thanks Michelle Thompson, W5NYV, AMSAT Board Member for the above information] --------------------------------------------------------------------- NASA TV To Air Cygnus Departure From Space Station Nearly three months after delivering several tons of supplies and sci- entific experiments to the International Space Station, Northrup Grum- man’s unpiloted Cygnus cargo craft is scheduled to depart the Inter- national Space Station on Monday, May 11. Live coverage of the spacecraft’s release will air on NASA Television and the agency’s website beginning at 11:45 a.m. EDT, with release scheduled for noon. Dubbed the “SS Robert H. Lawrence,” Cygnus arrived at the station on February 18. Within 24 hours of its release, Cygnus will begin its secondary mission, hosting the Spacecraft Fire Safety Experiment – IV (Saffire-IV), which provides an environment to safely study fire in microgravity. It also will deploy a series of payloads. Northrop Grum- man flight controllers in Dulles, Virginia, will initiate Cygnus’ de- orbit to burn up in Earth’s atmosphere Monday, May 25. More information on Cygnus’ mission and the International Space Sta- tion can be found at: http://www.nasa.gov/station [ANS thanks Southgate ARC for the above information] --------------------------------------------------------------------- Online Amateur Radio Satellite Talk on Zoom Robin Moseley, G1MHU, will give a talk on Zoom titled “Introduction to amateur satellites, meteor scatter, EME and ISS” on Wednesday, May 13, at 1830z The presentation is being organised by the Denby Dales Amateur Radio Society and being on Zoom it’ll be viewable on any Tablet or Smartphone with the Zoom App or from a Windows PC or Laptop. The Zoom meeting ID is 278 609 9353 https://zoom.us/j/2786099353 [ANS thanks AMSAT-UK for the above information] --------------------------------------------------------------------- Satellite Distance Records Set Satellite operators are rapidly pushing towards the 7,942 km theoret- ical maximum range on RS-44. The 7,859 km record held by KI7UNJ and JA0CAW was eclipsed on 06-May-2020 at 19:00 UTC with a QSO between EA4CYQ and UA0STM, a distance of 7,894 km. On 09-May-2020, this record fell again when W5CBF in Louisiana, USA worked LA7XK in Norway, a distance of 7,916 km. Another claimed DX record was also claimed on May 6. This time it was on PO-101 (Diwata2PH). EA4SG reports working R9LR at 23:03 UTC. The distance between the two stations is 5,128 km. Distance records for all satellites are maintained at: https://www.amsat.org/satellite-distance-records/ Please email n8hm [at] amsat.org if you wish to claim a new record, longer distance QSO not yet documented, or records for any other sat- ellite/transponder not yet listed. Please note that if a satellite carries multiple transponders or supports multiple frequency bands, records on each transponder/band may be claimed, such as Mode A and B on AO-7 or Mode U/S, L/S, U/K, etc, on AO-40. This includes the ISS and records may be claimed for the packet digipeater and crossband re- peater, but does not include different operating modes on the same transponder (such as CW or SSB on AO-7 Mode B). [ANS thanks Paul Stoetzer, N8HM, AMSAT Executive VP, for the above information] --------------------------------------------------------------------- Upcoming Satellite Operations Mitch, AD0HJ, has decided to "go check on the tree" in North Dakota. He has also said he will be activating a bunch of grids: 5/20 UTC DN96/97 5/21 UTC DN78/88 5/22 UTC DN76/77 5/23 UTC DN86/87 5/24 UTC EN06/16 Details on his Twitter page, @ad0hj Ron, AD0DX, and Doug, N6UA, are making another run at the elusive DL88 in Big Bend National Park, Texas. They tried this grid back in March, and due to the mud couldn’t get to the grid, so never ones to quit, off they go again. The tentative date is Sunday May 31, 2020. They will be using the K5Z call sign. More information is available at the K5Z QRZ Page. Please submit any additions or corrections to ke0pbr (at) gmail.com [ANS thanks Paul Overnfor, KE0PBR, the *NEW* AMSAT rover page manager(!) for the above information. Welcome aboard, Paul.] +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ Want to fly the colors on your own grid expedition? Get your AMSAT car flag and other neat stuff from our Zazzle store! 25% of the purchase price of each product goes towards Keeping Amateur Radio in Space https://www.zazzle.com/amsat_gear +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ ARISS News Amateurs and others around the world may listen in on contacts between amateurs operating in schools and allowing students to interact with astronauts and cosmonauts aboard the International Space Station. The downlink frequency on which to listen is 145.800 MHz worldwide. Airdrie Space Science Club, Airdrie, AB, Canada, Multi-point tele- bridge via ZS6JON. The ISS callsign is presently scheduled to be NA1SS and the scheduled astronaut is Chris Cassidy, KF5KDR. The contact is go for Friday 2020-05-15 15:10:28 UTC with 55 degrees over South Africa. ARISS is very aware of the impact that COVID-19 is having on schools and the public in general. As such, we may have last minute cancella- tions or postponements of school contacts. As always, ARISS will try to provide everyone with near-real-time updates at the ARISS webpage: https://www.ariss.org/ [ANS thanks Charlie Sufana, AJ9N, one of the ARISS operation team men- tors for the above information] +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ AMSAT, along with our ARISS partners, is developing an amateur radio package, including two-way communication capability, to be carried on-board Gateway in lunar orbit. Support AMSAT's projects today at https://www.amsat.org/donate/ +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ Hamfests, Conventions, Maker Faires, and Other Events Want to see AMSAT in action or learn more about amateur radio in space? AMSAT Ambassadors provide presentations, demonstrate communicating through amateur satellites, and host information tables at club meet- ings, hamfests, conventions, maker faires, and other events. Due to COVID-19, many hamfest and events around the United States have been cancelled or postponed. While we make every effort to ensure the information contained below is correct, there may be some that we missed. We wish all of you safekeeping and hope to be at a hamfest near you soon. Current schedule: No scheduled events The following events scheduled to have an AMSAT presence have been CANCELED: May 8-9, 2020 Prescott Hamfest, Prescott, AZ May 15-17, Hamvention, Xenia, OH June 12-13, 2020, Ham-Com, Plano, TX A copy of the AMSAT hamfest brochure is available for download from: https://bit.ly/2ygVFmV This color brochure is designed to be printed double-sided and folded into a tri-fold handout. To include your upcoming AMSAT presentation and/or demonstration, please send an email to ambassadors (at) amsat (dot) org. [ANS thanks Robert Bankston, KE4AL, AMSAT VP-User Services for the above information] --------------------------------------------------------------------- Satellite Shorts From All Over + Virgin Orbit tweets that it is celebrating a big win this week after the successful completion of a wet dress rehearsal with LauncherOne just in time for #NationalSpaceDay! Wet dress rehearsals with all commodities loaded is one of the last major events before launch. (ANS thanks @Virgin_Orbit for the above information) + A new version of the North American Overlay Mapper program: v4.0.0.0 has been released for Windows 7 and 10, with many new features. The 'NAOMI' program can import ADIF logs, Cabrillo logs, and a variety of lists, and then georeference them from the latest FCC and ISED databases, and then plot North American QSOs, Grid Locators, and Counties, onto 47 maps at 1:2,000,000 scale, 2 North American over- view maps at 1:20,000,000 scale, a zoomable Online Map with a choice of map-providers, a full-screen World Map, and a Great Circle Map with a choice of 16 different backgrounds. You can edit logs, check for errors, parse for counties, export data in different formats, search and browse the databases, overlay a variety of lists, export the maps for use in other applications, or to share online. NAOMI is available at: https://www.mapability.com/ei8ic/naomi/index.php (ANS thanks Southgate ARC for the above information) + NASA will pay a staggering $146 million for each SLS rocket engine, with 4 needed per SLS flight. These Space Shuttle main engines were intended to be reused, but SLS will throw them away. Other things you could buy for $146 million: two basic Atlas V rocket launches, three Falcon 9 launches, or a fully expendable Falcon Heavy launch, with 2/3 the lift capacity at 1/20th the cost. (ANS thanks The Orbital Index for the above information) + A study has found that all 1,078 commercially-launched smallsats in the last five years experienced delays, with a median delay of 128 days. The largest delay categories: 11% of delays were administra- tive, 13% were ISS manifest changes (for ISS-deployed sats), 20% were due to delays in launch vehicle development, and 40% were due to primary payload delays affecting their rideshares. Full report at https://bit.ly/3fuw1Mz (ANS thanks The Orbital Index for the above information) + A satellite built by Air Force Academy cadets will launch into space May 16 aboard the X-37B, Orbital Test Vehicle sponsored by the De- partment of the Air Force Rapid Capabilities Office and built by Boeing. This is the first time a satellite built and designed by ca- dets will catch a ride into space aboard the X-37B. FalconSAT-8 will carry five experimental payloads, and members of the Cadet Space Operations Squadron will operate it. There was no mention of amateur radio connected with this satellite, nor has there been a request for IARU frequency coordination in the amateur radio satellite ser- vice, although previous FalconSats have had amateur radio payloads. (ANS thanks U.S. Air Force Academy for the above information) + When a new crew member arrives on the International Space Sta- tion, the population of humans living in space changes, of course. But so, too, does the population of microbes. As we have all learned in this time of Covid-19, countless types of microorganisms inhabit our bodies, inside and out, and when an astronaut arrives on the station, they bring their specific collection of microbial "hitch- hikers" with them. A new study shows that the microorganisms living on surfaces inside the space station so closely resembled those on an astronaut's skin that scientists could tell when this new crew member arrived and departed, just by looking at the microbes left behind. Many of the microorganisms living in and around us are harm- less or even essential for good health, but some can cause disease or damage structures in built environments. https://bit.ly/3dlEobi (ANS thanks spacedaily.com for the above information) --------------------------------------------------------------------- /EX In addition to regular membership, AMSAT offers membership in the President's Club. Members of the President's Club, as sustaining donors to AMSAT Project Funds, will be eligible to receive addi- tional benefits. Application forms are available from the AMSAT Office. Primary and secondary school students are eligible for membership at one-half the standard yearly rate. Post-secondary school students enrolled in at least half time status shall be eligible for the stu- dent rate for a maximum of 6 post-secondary years in this status. Contact Martha at the AMSAT Office for additional student membership information. 73 and Remember to help keep amateur radio in space, This week's ANS Editor, Mark D. Johns, K0JM k0jm at amsat dot org

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Re: [amsat-bb] Fixed Antenna
by Gregory Beat 09 May '20

09 May '20

START with SIMPLE ... Build a Vertical Dipole for 70cm, then LISTEN to RS-44 beacon and linear transponder. https://amsat-uk.org/2020/04/30/dosaaf-85-rs-44-amateur-radio-transponder-a… 20 years ago, Jerry Brown, K5OE wrote a series of DIY Antenna Construction articles, some of these were published in the Amsat Journal. These satellite and VHF/UHF antennas were built by countless AMSAT members across the world. http://wb5rmg.somenet.net/k5oe/ Eggbeater II Omni LEO Antenna http://wb5rmg.somenet.net/k5oe/Eggbeater_2.html Texas Potato Masher II Antenna http://wb5rmg.somenet.net/k5oe/Texas_Potato_Masher_2.html 70cm Quagi Antenna http://wb5rmg.somenet.net/k5oe/70cm_quagi.html Jeff, K7XQ had problems with all Eggbeater designs (not impressed with performance). He developed a Tall Quadfillar Helix Antenna ... but no longer posted on web page. greg, w9gb AMSAT-NA, AMSAT-UK == Date: Sat, 9 May 2020 10:53:55 -0600 (MDT) From: James Johnson, VA7CND To: AMSAT-BB Reflector Subject: [amsat-bb] Fixed Antenna I have been trying to find a used Eggbeater or similar antenna to use to listen for Satellites. The exchange on the USD to CND currency is a killer. I noticed many plans to build one on the internet. Any suggestions which one would be worth trying for RX to start? 73, VE7HJ

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Icom IC-821 issues
by Andrew Lazenby 09 May '20

09 May '20

Hello all, I recently purchased a Icom IC-821H with a few issues. When first powered up, the display has a series of dashes across it, and there is no receive audio. After it warms up for 10min or so it will begin to flicker, and then it comes up and operates as it should. Has anyone ever encountered this issue, and/or have a fix for it? Thanks, Andrew N4LAZ Sent from Yahoo Mail on Android

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Re: [amsat-bb] RS-44
by Roy Dean 09 May '20

09 May '20

> > I tried to receive the CW beacon from RS-44 around 1600 UTC today, but > didn't pick up anything. Did anybody else hear it (or see it on a > waterfall)? Steve AI9IN The last few satnogs observations don't show any CW. --Roy K3RLD

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