May 2019 - AMSAT-BB - mailman.amsat.org

Free HughesNet dish north of seattle
by Robert Bruninga 06 May '19

06 May '19

Someone has offered a 33 inch wide and 28 inch vertical Hughes Net dish. The Feed is about two feet from the dish. If interested, reply direct to me wb4apr(a)amsat.org

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Last Evening's Rocket Lab Launch
by Wendy and Terry Osborne 05 May '19

05 May '19

The Launch was successful. The replay is here: https://www.youtube.com/watch?v=ahVDVWq_Ei4 73, Terry Osborne ZL2BAC

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Upcoming ARISS Contact Schedule as of 2019-05-06 01:00 UTC
by aj9n＠aol.com 05 May '19

05 May '19

Upcoming ARISS Contact Schedule as of 2019-05-06 01:00 UTC Quick list of scheduled contacts and events: Moriah Central School, Port Henry, NY, telebridge via K6DUE The ISS callsign is presently scheduled to be NA1SS The scheduled astronaut is Nick Hague KG5TMV Cancelled due to Space X 17 launch delay and docking for: Tue 2019-05-07 13:15:35 UTC 55 deg (***) The ARISS webpage is at http://www.ariss.org/ Note that there are links to other ARISS websites from this site. The main page for Applying to Host a Scheduled Contact may be found at http://www.ariss.org/apply-to-host-an-ariss-contact.html ARISS Contact Applications (United States) The ARISS webpage is at http://www.ariss.org/ Note that there are links to other ARISS websites from this site. International Space Station Astronauts are Calling CQ Students ARISS-US program’s education proposal window is open April 1 - May 15, 2019 March 24, 2019: The Amateur Radio on the International Space Station (ARISS) program is seeking proposals beginning April 1, 2019, from US schools, museums, science centers and community youth organizations (working individually or together) to host radio contacts with an orbiting crew member aboard the International Space Station (ISS) between January 1, 2020 and June 30, 2020. Each year, ARISS provides tens of thousands of students with learning opportunities about space technologies, communications, and much more through the exploration of Amateur Radio and space. The ARISS program connects students to astronauts on the ISS through a partnership between NASA, the Radio Amateur Satellite Corporation, the American Radio Relay League, other Amateur Radio global organizations and the worldwide space agencies. The program’s goal is to inspire students to pursue interests and careers in science, technology, engineering, and mathematics (STEM) and in Amateur Radio. Educators report regularly that student participation in the ARISS program stimulates interest in STEM subjects and STEM careers. One educator wrote, “Many of the middle school students who took part in and attended the ARISS contact have selected science courses in high school as a result of that contact.” Educators are setting up ham radio clubs in schools and learning centers because of students’ interest. ARISS is looking for organizations that will draw large numbers of participants and integrate the contact into a well-developed, exciting education plan. Students can learn about satellite communications, wireless technology, science research conducted on the ISS, radio science, and other STEM subjects. Students learn to use Amateur Radio to talk directly to an astronaut and ask their STEM-related questions. ARISS will help educational organizations locate Amateur Radio groups who can assist with equipment for a once-in-a-lifetime opportunity for students. The proposal window opens April 1, 2019 and the proposal deadline is May 15, 2019. For proposal guidelines and forms and more details, go to: http://ariss-proposal-webinar-spring-2019.eventbrite.com Proposal webinars for guidance and getting questions answered will be offered April 11, 2019 at 7 pm Eastern Time and April 16, 2019 at 9 pm Eastern Time. Advance registration is necessary. To sign up, go to https://ariss-proposal-webinar-spring-2019.eventbrite.com **************************************************************************************************************************************************************************** ARISS Contact Applications (Europe, Africa and the Middle East) Schools and Youth organizations in Europe, Africa and the Middle East interested in setting up an ARISS radio contact with an astronaut on board the International Space Station are invited to submit an application from September to October and from February to April. Please refer to details and the application form at www.ariss-eu.org/school-contacts. Applications should be addressed by email to: school.selection.manager(a)ariss-eu.org ARISS Contact Applications (Canada, Central and South America, Asia and Australia and Russia) Organizations outside the United States can apply for an ARISS contact by filling out an application. Please direct questions to the appropriate regional representative listed below. If your country is not specifically listed, send your questions to the nearest ARISS Region listed. If you are unsure which address to use, please send your question to the ARISS-Canada representative; they will forward your question to the appropriate coordinator. For the application, go to: http://www.ariss.org/ariss-application.html. ARISS-Canada and the Americas, except USA: Steve McFarlane, VE3TBD email to: ve3tbd(a)gmail.com ARISS-Japan, Asia, Pacific and Australia: Satoshi Yasuda, 7M3TJZ email to: ariss(a)iaru-r3.org, Japan Amateur Radio League (JARL) http://www.jarl.org/ ARISS-Russia: Soyuz Radioljubitelei Rossii (SRR) https://srr.ru/ ****************************************************************************** ARISS is always glad to receive listener reports for the above contacts. ARISS thanks everyone in advance for their assistance. Feel free to send your reports to aj9n(a)amsat.org or aj9n(a)aol.com. Listen for the ISS on the downlink of 145.8Ø MHz. ******************************************************************************* All ARISS contacts are made via the Kenwood radio unless otherwise noted. ******************************************************************************* Several of you have sent me emails asking about the RAC ARISS website and not being able to get in. That has now been changed to http://www.ariss.org/ Note that there are links to other ARISS websites from this site. **************************************************************************** Looking for something new to do? How about receiving DATV from the ISS? If interested, then please go to the ARISS-EU website for complete details. Look for the buttons indicating Ham Video. http://www.ariss-eu.org/ If you need some assistance, ARISS mentor Kerry N6IZW, might be able to provide some insight. Contact Kerry at kbanke(a)sbcglobal.net **************************************************************************** ARISS congratulations the following mentors who have now mentored over 100 schools: Satoshi 7M3TJZ with 135 Francesco IKØWGF with 132 Gaston ON4WF with 123 Sergey RV3DR with 114 **************************************************************************** The webpages listed below were all reviewed for accuracy. Out of date webpages were removed, and new ones have been added. If there are additional ARISS websites I need to know about, please let me know. Note, all times are approximate. It is recommended that you do your own orbital prediction or start listening about 10 minutes before the listed time. All dates and times listed follow International Standard ISO 8601 date and time format YYYY-MM-DD HH:MM:SS The complete schedule page has been updated as of 2019-05-06 01:00 UTC. (***) Here you will find a listing of all scheduled school contacts, and questions, other ISS related websites, IRLP and Echolink websites, and instructions for any contact that may be streamed live. http://www.amsat.org/amsat/ariss/news/arissnews.rtf http://www.amsat.org/amsat/ariss/news/arissnews.txt Total number of ARISS ISS to earth school events is 1305. Each school counts as 1 event. Total number of ARISS ISS to earth school contacts is 1248. Each contact may have multiple schools sharing the same time slot. Total number of ARISS supported terrestrial contacts is 47. A complete year by year breakdown of the contacts may be found in the file. http://www.amsat.org/amsat/ariss/news/arissnews.rtf Please feel free to contact me if more detailed statistics are needed. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ The following US states and entities have never had an ARISS contact: South Dakota, Wyoming, American Samoa, Guam, Northern Marianas Islands, and the Virgin Islands. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ QSL information may be found at: http://www.ariss.org/qsl-cards.html ISS callsigns: DPØISS, IRØISS, NA1SS, OR4ISS, RSØISS **************************************************************************** The successful school list has been updated as of 2019-04-30 02:30 UTC. http://www.amsat.org/amsat/ariss/news/Successful_ARISS_schools.rtf Frequency chart for packet, voice, and crossband repeater modes showing Doppler correction as of 2005-07-29 04:00 UTC http://www.amsat.org/amsat/ariss/news/ISS_frequencies_and_Doppler_correction .rtf Check out the Zoho reports of the ARISS contacts https://reports.zoho.com/ZDBDataSheetView.cc?DBID=412218000000020415 **************************************************************************** Exp. 58 on orbit Oleg Konenenko David St-Jacques KG5FYI Anne McClain Exp. 59 on orbit Christina Koch Aleksey Ovchinin Nick Hague KG5TMV **************************************************************************** 73, Charlie Sufana AJ9N One of the ARISS operation team mentors

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Pass Past/Future
by Pedro Converso 05 May '19

05 May '19

Hello, Upon suggestions, a small calendar had been added over Date Label on http://amsat.org.ar/pass Hoping useful to allow retrieve past and future satellite passes. 73, lu7abf, Pedro

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Omni Vertical Antennas for Satellites?
by Robert Bruninga 05 May '19

05 May '19

By the way, When we say a vertical-over-a-ground plane, we are not talking about a "ground plane antenna". That commonly refers to a 1/4 wave radiating element and four "ground plane" radials. But this is no better than a vertical dipole when you model it in free space. Yes, the radials make a good match to 50 Ohm coax, but do not simulate an infinite ground plane.. The antenna pattern is still just a donut with half the energy going into the ground. So here is the question. If one put another set of ground radials 1/4 wave below the initial radials and tuned them longer to act like real 180 degree phase reversals (like reflectors on a yagi), would this then make the antenna really pick up the missing 3 dBi that otherwise goes into the ground? Bob

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KlaTrack [ Problem Saving Settings ]
by Les Rayburn 05 May '19

05 May '19

Several operators recommended the KlaTrack software tool for help with visualizing upcoming passes from amateur satellites. It seems like exactly what I’m looking for. Installed it on my Windows X, 64 bit machine without a problem. But I’m having trouble with saving the settings. When I make changes, such as entering my six digit grid square, or changing the theme, etc. Nothing changes on the display. Restarting the software has no effect. The installation instructions say that both Keps data and settings are stored in the “Home” directory and that you can also start the software using the command line. But that’s not very helpful. Any idea what I’m doing wrong? I’m sure it’s operator error. 73, Les Rayburn, N1LF Maylene, AL EM63nf AMSAT #38965, ARRL Life Member, CVHS Life Member, SVHF Member

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Fw: [sbarahams] Satellite demo at "Radio In The Park" event
by k6vug＠sbcglobal.net 04 May '19

04 May '19

Many thanks to everyone with whom we were able to QSO today, I took the 10:36am pass as K6VUG, then AG6TT took the 11:55am pass and WB9YBM made the 12:11 pass. Steve (AG6TT) and Bill (WB9YBM) were new to satellites and had much fun working you guys, while all other onlookers enjoyed it. I got QSOs with AC9E and WD9EWK as planned. Thanks again. BTW, for some reason I noticed the AO-92 was very strong with almost no fades, however AO-91 was weaker and showed many fades. I'm not sure if it was something in my setup or at the bird. In any case, no biggie given the fun everyone had today. Next stop Field Day 2019 ! 73!Umesh k6vug On Sunday, April 28, 2019, 12:21:40 PM PDT, 'k6vug(a)sbcglobal.net' k6vug(a)sbcglobal.net [sbarahams] <sbarahams(a)yahoogroups.com> wrote: FYI - there is a good chance of demonstrating Amateur Satellites at this event on May 4th. The satellite passes will be as follows: Satellite Date From To Elevation -------------------------------------------------------- AO-92 5/4/2019 11:55:51 AM 12:07:18 PM 34.3° AO-91 5/4/2019 12:11:10 PM 12:24:00 PM 25.8° AO-91 5/4/2019 1:47:28 PM 2:00:20 PM 25.7° I'll bring the setup, you make the satellite contacts ! Best, Umesh, K6VUG __._,_.___ Posted by: "k6vug(a)sbcglobal.net" <k6vug(a)sbcglobal.net> | Reply via web post | • | Reply to sender | • | Reply to group | • | Start a New Topic | • | Messages in this topic (3) | Have you tried the highest rated email app? With 4.5 stars in iTunes, the Yahoo Mail app is the highest rated email app on the market. What are you waiting for? Now you can access all your inboxes (Gmail, Outlook, AOL and more) in one place. Never delete an email again with 1000GB of free cloud storage. Visit Your Group • Privacy • Unsubscribe • Terms of Use SPONSORED LINKS . __,_._,___

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ISS Antenna
by KD2NFC, Joe Puma 04 May '19

04 May '19

Hey is this the 145mhz antenna we make contact with on the ISS? Is it a qfx with a ground plane Sent from my iPad

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Re: [amsat-bb] Pass Past/Future
by Roy Dean 04 May '19

04 May '19

Pedro, This is great, muchas gracias! One question, however - are the "past passes" historical values "locked in time", or are they "back calculated" from current keps? --Roy K3RLD > ------------------------------ > Hello, Upon suggestions, a small calendar had been added over Date Label on > http://amsat.org.ar/pass Hoping useful to allow retrieve past and future > satellite passes. 73, lu7abf, Pedro

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ARRL Antenna book, eggbeater antenna designs
by Devin L. Ganger 04 May '19

04 May '19

Greetings, programs! I'm looking to work with my son (who will be studying to get his Technician license later this month) on building a UHF/VHF pair of eggbeater antennas. I've found a few papers online, but does anyone have a good reference to a detailed design? Does the ARRL Antenna book latest edition have any significant coverage of eggbeaters at all? I have an older version that has nothing. Also, most of the designs I see are for a single band. If you're deploying a pair for satellite operations, do you simply attach them through a duplexer? I have a Diamond MX-72N that I picked up a while ago for using with dual Baofengs, but it's been sitting in my drawer since I picked up my TH-D72A. It has a 1.6~150MHz lead and a 350~460MHz lead. Thanks in advance for any pointers you might have. -- Devin L. Ganger (WA7DLG) email: devin(a)thecabal.org<mailto:devin@thecabal.org> web: Devin on Earth<http://www.devinonearth.com/> cell: +1 425.239.2575

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