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Re: AO-73 question
by graham＠shirville.com 14 Sep '24

14 Sep '24

Hi John, I am not sure if you have received any other answer but… AO73 has been operating in full time 24/7 transponder on mode for some time now. The telemetry is also transmitted at low power at the same time on the nominal 145.935 MHz. The nominal transponder frequencies remain unchanged: Uplink: 435.150 – 435.130 MHz LSB (Inverting) Downlink: 145.950 – 145.970 MHz USB But these do drift a for Hz depending upon the on board temperature – back in the day, perhaps twelve years ago, the design of the oscillators was a compromise between stability and power consumption. JO97, being a more recent design, does not have this “feature”. 73 Graham G3VZV From: JOHN GEIGER via AMSAT-BB <amsat-bb(a)amsat.org> Sent: Friday, September 13, 2024 7:02 PM To: amsat-bb <amsat-bb(a)amsat.org> Subject: [AMSAT-BB] AO-73 question Great to see that AO-73 has been QRV again. I seem to remember seeing somewhere that it has shifted frequency somewhat from the published frequencies. Is this correct? What are the current uplink and downlink passbands for it? 73 John AF5CC Sent using {0}

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AO-73 question
by JOHN GEIGER 13 Sep '24

13 Sep '24

Great to see that AO-73 has been QRV again. I seem to remember seeing somewhere that it has shifted frequency somewhat from the published frequencies. Is this correct? What are the current uplink and downlink passbands for it? 73 John AF5CC Sent using {0}

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Re: Student requests help with a 70cm balloon borne antenna matching network
by Joe Fitzgerald 13 Sep '24

13 Sep '24

Simone, Thanks for the comments. Here is his GitHub project page: https://github.com/New-England-Weather-Balloon-Society/Tiny4FSK/ I have cc'ed Max W0MMX on this, I will let him answer you directly. de KM1P Joe

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Re: Student requests help with a 70cm balloon borne antenna matching network
by Clint Bradford 13 Sep '24

13 Sep '24

Tom Medlin W5KUB has a lot of balloon experience. Sent from my iPad

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FUNcube Data Warehouse Update
by g4dpz 12 Sep '24

12 Sep '24

Hi, All being well, the User Interface should be back online, late on Sunday. I am working on it while on holiday but uploading the new application is difficult with phone tethering! Our thanks for those who have uploaded data since the transition. 73 Dave, G4DPZ On behalf of the FUNcube Team +-------------------------+---------+ | site_id | score | +-------------------------+---------+ | HB9MFL | 1624665 | | KC0BMF | 1340244 | | VK5HI | 1180909 | | WA7FWF | 1140982 | | SP5ULN | 1052180 | | G4BIP | 1013258 | | TUDelft | 955837 | | VK5GU | 692467 | | Goonhilly_Earth_Station | 609119 | | f1grr | 455540 | | VA3ROM | 365560 | | DF7SC | 357148 | | VK2FRW | 309200 | | K4OZS | 304733 | | M7RED | 249672 | | n8mh | 184494 | | DL9DAK | 167273 | | kb6lty | 159710 | | EA4EKH | 75593 | | CU2JX | 47012 | | PA3WEG | 39913 | | n1miw | 21133 | | g4dpz | 19464 | | JJ1WTK | 4904 | | OH1NHW | 467 | | HS318 | 110 | +-------------------------+---------+

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Re: Student requests help with a 70cm balloon borne antenna matching network
by Sasha Tim 12 Sep '24

12 Sep '24

Interested in this too, if there's anybody. On Thu, Sep 12, 2024 at 10:32 AM Joe Fitzgerald via AMSAT-BB < amsat-bb(a)amsat.org> wrote: > I am assisting a student building a 70cm transmitter for high altitude > balloons. He is concerned about losses in his matching network and is > asking questions past the the limit of my knowledge. Is there > anyone on the list that has experience designing and/or measuring losses > in PCB based matching networks with SMT lumped elements? > > Joe KM1P > > > > ----------------------------------------------------------- > > 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. > Acceptable Use and Privacy Policies available at > https://www.amsat.org/about-amsat/ > > View archives of this mailing list at > https://mailman.amsat.org/hyperkitty/list/[email protected] > To unsubscribe send an email to amsat-bb-leave(a)amsat.org > Manage all of your AMSAT-NA mailing list preferences at > https://mailman.amsat.org

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Student requests help with a 70cm balloon borne antenna matching network
by Joe Fitzgerald 12 Sep '24

12 Sep '24

I am assisting a student building a 70cm transmitter for high altitude balloons. He is concerned about losses in his matching network and is asking questions past the the limit of my knowledge. Is there anyone on the list that has experience designing and/or measuring losses in PCB based matching networks with SMT lumped elements? Joe KM1P

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Upcoming ARISS Contact Schedule as of 2024-09-12 06:00 UTC
by aj9n＠aol.com 12 Sep '24

12 Sep '24

Upcoming ARISS Contact Schedule as of 2024-09-12 06:00 UTC Quick list of scheduled contacts and events: Instituto de Aplicação Fernando Rodrigues da Silveira (CAp-UERJ) and The State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil, direct via PY1AX The ISS callsign is presently scheduled to be NA1SS The downlink frequency is presently scheduled to be 145.800 MHz The latest information on the operation mode can be found at https://www.ariss.org/current-status-of-iss-stations.html The scheduled crewmember is Sunita Williams KD5PLB The ARISS mentor is VE3TBD Contact is go for: Fri 2024-09-13 17:25:47 UTC 49 deg Sailing Event, Moscow, Russia, direct via TBD (***) The ISS callsign is presently scheduled to be RSØISS The downlink frequency is presently scheduled to be 145.800 MHz The latest information on the operation mode can be found at https://www.ariss.org/current-status-of-iss-stations.html The scheduled crewmember is Aleksandr Grebyonkin RZ3DSE (***) The ARISS mentor is RV3DR Contact is go for: Sat 2024-09-21 16:25 UTC (***) Amur State University, Blagoveshchensk, Russia, direct via TBD (***) The ISS callsign is presently scheduled to be RSØISS The downlink frequency is presently scheduled to be 145.800 MHz The latest information on the operation mode can be found at https://www.ariss.org/current-status-of-iss-stations.html The scheduled crewmember is Ivan Vagner (***) The ARISS mentor is RV3DR Contact is go for Tue 2024-09-24 09:25 UTC (***) Tatarstan, Russia, direct via TBD (***) The ISS callsign is presently scheduled to be RSØISS The downlink frequency is presently scheduled to be 145.800 MHz The latest information on the operation mode can be found at https://www.ariss.org/current-status-of-iss-stations.html The scheduled crewmember is Aleksey Ovchinin (***) The ARISS mentor is RV3DR Contact is go for Fri 2024-09-27 13:20 UTC (***) The crossband repeater continues to be active. If any crewmember is so inclined, all they have to do is pick up the microphone, raise the volume up, and talk on the crossband repeater. So give a listen, you just never 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 2024-09-12 06:00 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. https://www.amsat.org/amsat/ariss/news/arissnews.rtf https://www.amsat.org/amsat/ariss/news/arissnews.txt The successful school list has been updated as of 2024-08-30 17:30 UTC. https://www.amsat.org/amsat/ariss/news/Successful_ARISS_schools.rtf ####################################################################################################################################### Comments on making general contacts I have been seeing a lot of traffic on Facebook and I suspect on other social media sites with people asking why they are not hearing the crew make general contacts. First off the crew is very busy on the ISS and they simply may not have the time to just pick up the microphone and talk. Also, one needs to be aware of their normal daily schedule. I have listed below the constraints that we at ARISS have to follow in order to schedule the school contacts. Hopefully this will help you better schedule your opportunities. Typical daily schedule Wakeup to Workday start= 1.5 hours Workday start to Workday end=12 hours Workday end to Sleep= 2 hours Sleep to wakeup= 8.5 hours The crew's usual waking period is 07:30 – 19:30 UTC. The most common times to find a crew member making casual periods are about one hour after waking up and about an hour before sleeping, when they have personal time. They're usually free most of the weekend, as well. SSTV events are not that often. So please check out https://www.ariss.org/ for the latest information or watch for the ARISS announcements. And don’t forget that the packet system is sometimes active. Check the status at https://www.ariss.org/ or http://www.issfanclub.eu to see if the packet system is active or not. As always, if there is an EVA, a docking, or an undocking; the ARISS radios are turned off as part of the safety protocol. The latest information on the operation mode can be found at https://www.ariss.org/current-status-of-iss-stations.html The latest list of frequencies in use can be found at https://www.ariss.org/contact-the-iss.html ######################################################################################################################################## A multi-point telebridge contact means that each student will be on the telebridge from their own home. **************************************************************************************************************************************** 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 cancellations or postponements of school contacts. As always, I will try to provide everyone with near-real-time updates. Watch for future COVID-19 related announcements at https://www.ariss.org/ The following schools have now been postponed or cancelled due to COVID-19: Postponed: No new schools Cancelled: No new schools **************************************************************************************************************************************** The ARISS webpage is at https://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 https://www.ariss.org/apply-to-host-an-ariss-contact.html +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ARISS Contact Applications (United States) Call for Proposals The next proposal window for US schools and educational organizations to host an Amateur Radio contact with a crew member on board the ISS opens July 8, 2024 for contacts to be scheduled for January 1, 2025 – June 30, 2025. This proposal window is due to ARISS by September 6, 2024 at 11:59 PM Pacific Time (Sept. 7, 2024, 06:59 UTC). (***) Proposal information and more details such as expectations, proposal guidelines and the proposal form can be found at www.ariss.org. An ARISS Introductory Webinar session will be held on July 22, 2024, at 7 PM ET (23:00 UTC). The Zoom link to sign up is: https://us06web.zoom.us/meeting/register/tZErf-ihrDktG9OphYxAjfz7nbONV0YcwY… Find more information and proposal instructions, visit the ARISS-USA website at: https://ariss-usa.org/hosting-an-ariss-contact-in-the-usa/ Please direct any questions to ariss.us.education(a)gmail.com. For future proposal information and more details such as expectations, proposal guidelines and proposal form, and dates and times of Information Webinars, go to www.ariss.org. About ARISS: Amateur Radio on the International Space Station (ARISS) is a cooperative venture of international amateur radio societies and the space agencies that support the International Space Station (ISS). In the United States, sponsors are the Radio Amateur Satellite Corporation (AMSAT), the American Radio Relay League (ARRL), the ISS National Lab and National Aeronautics and Space Administration (NASA). The primary goal of ARISS is to promote exploration of science, technology, engineering, and mathematics (STEAM) topics by organizing scheduled contacts via amateur radio between crew members aboard the ISS and students in classrooms or public forms. Before and during these radio contacts, students, educators, parents, and communities learn about space, space technologies, and amateur radio. For more information, see www.ariss.org. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 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: https://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) https://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 unless otherwise noted. ******************************************************************************* 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 https://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? Please note that the HamTV system is back on board but awaiting re-installation. Please monitor ARISS-EU or ARISS-ON for the very latest news on the troubleshooting efforts. 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 The HamTV webpage: https://www.amsat-on.be/hamtv-summary/ **************************************************************************** ARISS congratulates the following mentors who have now mentored over 100 schools: Sergey RV3DR with 242 Francesco IKØWGF with 154 Satoshi 7M3TJZ with 153 Gaston ON4WF with 124 Steve VE3TBD with 121 Peter IN3GHZ with 120 **************************************************************************** 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. Total number of ARISS ISS to earth school events is 1764. Each school counts as 1 event. Total number of ARISS ISS to earth school contacts is 1655. Each contact may have multiple schools sharing the same time slot. Total number of ARISS supported terrestrial contacts is 48. 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, American Samoa, Guam, Northern Marianas Islands, and the Virgin Islands. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ QSL information may be found at: https://www.ariss.org/qsl-cards.html ISS callsigns: DPØISS, FXØISS, GB1SS, IRØISS, NA1SS, OR4ISS, RSØISS **************************************************************************** Frequency chart for packet, voice, and crossband repeater modes showing Doppler correction as of 2005-07-29 04:00 UTC https://www.amsat.org/amsat/ariss/news/ISS_frequencies_and_Doppler_correcti… Check out the Zoho reports of the ARISS contacts https://reports.zoho.com/ZDBDataSheetView.cc?DBID=412218000000020415 **************************************************************************** Exp. 70 on orbit Oleg Kononenko Nikolay Chub Exp. 71 on orbit Tracy E. Caldwell Dyson SpaceX Crew-8 on orbit Matthew Dominick KCØTOR Mike Barratt KD5MIJ Jeanette Epps KF5QNU Aleksandr Grebyonkin RZ3DSE Boeing CFT on orbit Sunita Williams KD5PLB Barry Wilmore **************************************************************************** 73, Charlie Sufana AJ9N One of the ARISS operation team mentors

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Re: MESAT1 telemetry and testing-update 10 Sept 2024
by Jean Marc Momple 11 Sep '24

11 Sep '24

Hi Mark, Long time we did not exchange, unfortunately was not able to collect telemetry for MESAT1 and contribute as for almost a year HAM radio has been a low priority for many reasons. Rebuilding the station here in Mauritius and hopefully will restart TLM reception asap. Keep it up and congratulations for your continuous dedication to AMSAT and satellite projects. You deserve a gold medal :). 73 Jean Marc (3B8DU) > On Sep 10, 2024, at 8:53 PM, Mark L. Hammond via AMSAT-BB <amsat-bb(a)amsat.org> wrote: > > Dear Fellow satellite operators-- > > First, a word of THANKS to all of you that have routinely or even occasionally collected telemetry from MESAT1. Thanks to you, we are able to make informed and timely decisions about what/when/why/how to do next steps as we collaborate with the satellite owners to help with their primary mission. We are learning a lot about this new satellite--Univ. of Maine's first Cubesat--and our linear transponder onboard. All of the lessons learned will help inform future missions that carry the Linear Transponder Module (or LTM) AND the Golf series of satellites. Your reports about transponder activities are super helpful, too. > > I encourage you to visit this link so you can see in detail all of the call signs that have contributed to telemetry collection thus far. It's a lot of stations, all around the world. Bravo, and thanks. > > https://www.amsat.org/tlm/leaderboard.php?id=10&db=FOXDB&show=all&period=100 <https://www.amsat.org/tlm/leaderboard.php?id=10&db=FOXDB&show=all&period=100> > > Second, please continue to collect telemetry! We continue to work on taking and downloading earth images from their cameras. In recent days, we are having the satellite send image blocks both in the mornings and evenings. We expect that to continue in the near future. The transmitter could be on for 5 mins, or perhaps even 10 mins, when over the East coast command stations. Every frame helps us to build an image. Testing is intermittent, but it seems to be more regular right now. When the images aren't being transmitted, MESAT1 is in SAFE mode, sending a couple frames about every 2 mins. These frames are very important too!! > > Finally, if you haven't heard this message yet---thanks :) We have a great community here, so thanks for being a vital part of this and other AMSAT projects. > > 73, > > On behalf of the Command and Commissioning Teams--- > > Mark L. Hammond [N8MH] > AMSAT Director and Command Station > > > ----------------------------------------------------------- > > 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. > Acceptable Use and Privacy Policies available at https://www.amsat.org/about-amsat/ > > View archives of this mailing list at > https://mailman.amsat.org/hyperkitty/list/[email protected] > To unsubscribe send an email to amsat-bb-leave(a)amsat.org > Manage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org

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ARISS News Release No. 24-51
by David H Jordan 11 Sep '24

11 Sep '24

*ARISS News Release No. 24-51* *Dave Jordan, AA4KN * *ARISS PR* *aa4kn(a)amsat.org <aa4kn(a)amsat.org>* *FOR IMMEDIATE RELEASE* *ARISS Contact is Scheduled with Students at * *Instituto de Aplicação Fernando Rodrigues da Silveira (CAp-UERJ) **and The State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil* September 11, 2024—Amateur Radio on the International Space Station (ARISS) has received schedule confirmation for an ARISS radio contact between an astronaut aboard the International Space Station (ISS) and students at two schools in Rio de Janeiro, Brazil. ARISS conducts 60-100 of these special amateur radio contacts each year between students around the globe and crew members with ham radio licenses aboard the ISS. Joint participation during this ARISS contact will involve students from the Instituto de Aplicação Fernando Rodrigues da Silveira (CAp-UERJ) and State University of Rio de Janeiro (UERJ). The Instituto de Aplicação has 1100 students, ages 6 to 18 and is an academic unit of the Rio de Janeiro State University (UERJ), focused on basic education and the training of future teachers. University graduates have the opportunity to experience the school's classroom environment as interns. Rio de Janeiro State University (UERJ) is a public research university with about 43,000 students, and 90 undergraduate programs, 63 master's degree programs, and 46 doctorate degree programs. This ARISS contact is supported by members of the Liga de Amateurs Brasileiros de Rádio Emissão (LABRE). This will be a direct contact via Amateur Radio allowing students to ask their questions of astronaut Sunita Williams, amateur radio call sign KD5PLB. The downlink frequency for this contact is 145.800 MHz and may be heard by listeners that are within the ISS-footprint that also encompasses the relay ground station. The amateur radio ground station for this contact is in Rio de Janeiro. Amateur radio operators using call sign PY1AX, will operate the ground station to establish and maintain the ISS connection. The ARISS radio contact is scheduled for September 13, 2024 at 2:25:47 pm BRT (Rio de Janeiro) (17:25:47 UTC, 1:25 pm EDT, 12:25 pm CDT, 11:25 am MDT, 10:25 am PDT). *_______________________________* As time allows, students will ask these questions: 1. At what age did you become interested and decide to pursue the astronaut job? What were the first steps that you took in order to kickstart your career? 2. What are your guesses for the future space missions? 3. How do you think leaving Earth and seeing space in its real scope can alter someone's perspective about society and existence? 4. I want to know how someone adapts to gravity in space? 5. How many people can be on the ISS at the same time? When do you transfer to Earth? Do you have a time limit, get a radio call and just leave, or stay inside until you run out of resources, like food or water? 6. I would like to know what the routine is like on the ISS, how do you shower, sleep and eat? 7. After spending time in space, what are the main effects you have felt on Earth as a result of the difference in atmospheric pressure? Like, disorientation? headache? 8. What unexpected challenges or surprises have you encountered in microgravity that you didn't anticipate during your training on Earth? 9. What happens if an astronaut gets sick or has any medical emergency on board the space station? 10. How does an astronaut regulate their sleep in orbit? Does it take time in the station or is it previously trained on land? 11. Do you ever get a day off, like Saturday or Sunday? If so, what activities or hobbies do you do when you are not working? 12. What has been most challenging so far about becoming an astronaut? 13. On the ISS, is there the use of programming languages for image processing? Or the use of satellite image processing to analyze the weather conditions of other planets? 14. How is the flavor of the ISS food? 15. How do you repair damaged parts of the ISS? Do you have a 3D printer on board? If not, how do you machine a part? 16. Are Earth's climate changes noticeable by the space station crew? If so, how intense is it and what are astronauts' perceptions of climate change on our planet? *About ARISS:* Amateur Radio on the International Space Station (ARISS) is a cooperative venture of international amateur radio societies and the space agencies that support the ISS. In the United States, sponsors are the American Radio Relay League (ARRL), Amateur Radio Digital Communications (ARDC), Radio Amateur Satellite Corporation (AMSAT), NASA’s Space Communications and Navigation program (SCaN) and the ISS National Lab—Space Station Explorers. The primary goal of ARISS is to promote exploration of science, technology, engineering, the arts, and mathematics topics. ARISS does this by organizing scheduled contacts via amateur radio between crew members aboard the ISS and students. Before and during these radio contacts, students, educators, parents, and communities take part in hands-on learning activities tied to space, space technologies, and amateur radio. For more information, see http://www.ariss.org. Media Contact: Dave Jordan, AA4KN ARISS PR Find us on social media at: X: ARISS_Intl Facebook: facebook.com/ARISSIntl Instagram: ariss_intl Mastodon: ariss_intl(a)mastodon.hams.social Check out ARISS on Youtube.com.

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