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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 10/10/2026

STEM contact upcoming with Massachusetts! Learners at EcoTarium in Worcester will talk live via ham radio with Luke Delaney on the ISS! Scheduled Thu. Oct. 15 at 15:25 UTC | 11:25 AM ET via AB1OC telebridge in NH. Crew audio on 145.800 MHz FM, livestream link in graphic.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 09/10/2026

From first student contacts with astronauts aboard the ISS to reaching learners around the world, the ARISS and NASA partnership has inspired generations through STEM education and amateur radio.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 07/10/2026

Reminder: Contact tomorrow with Scotland! Wick High School in the UK will talk with Josh Kutryk on the ISS LIVE via ham radio. Scheduled for 11:29 UTC | 7:29 AM ET | 12:29 PM BST Thursday direct via GB4WHS. Crew audio on 145.800 MHz FM. Check graphic for livestream and HamTV info.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 07/10/2026

When you go around the world every 90 minutes for more than 6 years, you log some miles. World Space Week is a great time to look back to 2020, the initial install of the ARISS IORS Now celebrating a journey of more than 1 Billion Miles! (Or 1.6 B Kilometers!) What an achievement!

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 07/10/2026

ARISS is accepting proposals for STEM contacts in the July-December 2027 window. Planning a summer scouting event or STEM activity next school year? Apply now! Visit ARISS.org for details. Europe, Africa, & the Middle East: Your deadline is just 2 weeks away!

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 06/10/2026

Just about 1 hour left in ARISS SSTV Series 33 and it's been a very successful event during World Space Week! If you haven't submitted your original decodes yet, get them in to the ARISS gallery before Friday if you want a certificate. Link in the graphic.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 05/10/2026

Contact change for the UK. Wick High School in Scotland will now talk with Josh Kutryk on the ISS Thursday, live via ham radio. Scheduled for 11:29 UTC | 7:29 AM ET | 12:29 PM BST direct via GB4WHS. Crew audio on 145.800 MHz FM. Check graphic for livestream and HamTV info.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 05/10/2026

90 minutes until contact with Arkansas. Students at University Heights Sch. of Medical Arts in Jonesboro talk with Josh Kutryk live via ham radio. Skd. today, now at 15:30 UTC | 11:30 ET | 10:30 CT via IK1SLD telebridge in Italy. Livestream and HamTV planned. Links in graphic.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 04/10/2026

World Space Week is here! 🚀 We're kicking things off with a terrific SSTV event running through Tuesday, plus two ARISS contacts with Josh Kutryk this week: Monday with Arkansas and Tuesday with Scotland! 🌎📡

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 04/10/2026

If you are up and about in Eastern Maryland this morning, come see the ARISS-USA team at carafest! Our team will be demonstrating SSTV reception and always has the answers to your ARISS questions. It runs until Noon at the Howard County Fairgrounds.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 03/10/2026

A quick look at the SSTV gallery stats shows Europe leading the way, with more than half of all image submissions in the first 24 hours. North America, your turn is coming! Some great ISS passes are on the way Sat. and Sun. Also, more than 30% of submitters so far are students or educators.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 02/10/2026

ARISS SSTV event getting underway! Series 33 "Student Education" images are being sent from the ISS. 12 images will be transmitted on 437.550 MHz FM in a 36 second on / 2 minutes off rotation. Submit your images at ariss-usa.org/ARISS_SSTV/ to qualify for the official certificate.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 01/10/2026

Contact upcoming with UK! Wick HS in Scotland will talk with Josh Kutryk live via ham radio on the ISS. Scheduled for Tue Oct 6 at 13:00 UTC | 9:00 AM ET | 2:00 PM BST direct via GB4WHS. Crew audio on 145.800 MHz FM. HamTV planned.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 30/09/2026

Contact upcoming with Arkansas! University Heights School of Medical Arts in Jonesboro is scheduled to talk with Josh Kutryk on the ISS live via ham radio. Scheduled for Mon. Oct 5 at 15:27 UTC | 11:27 AM ET | 10:27 AM CDT via IK1SLD telebridge. Crew audio on 145.800 MHz FM

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 30/09/2026

US STEM Educators! Pencils down, turn in your work! If you would like to request an amateur radio contact with the ISS crew this school year, your proposals are due TODAY! Visit the ARISS website to turn in your work.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 29/09/2026

Ready for ARISS SSTV this weekend? ☐ 437.550 MHz programmed ☐ SSTV software tested ☐ Robot 36 selected ☐ ISS pass times checked ☐ Doppler tuning ready ☐ Receive, decode, and submit your images!

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 29/09/2026

Contact with Italy Tuesday! Two STEM groups will make contact with Sophie Adenot onboard the ISS live via ham radio. Sked. Tuesday at 10:28 UTC | 6:28 AM ET | 12:28 PM CEST direct via IW5CWC and IQ3RW. See graphic for crew audio, live stream, and HamTV links.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 28/09/2026

We're watching for an International Space Station crew swap starting this week. Luke Delaney KJ5PPT and Josh Kutryk KJ5PFU will get their chance to appear in the ARISS logbook soon! Looking further ahead, recently announced Crew 14 will have Kayla Barron KI5LAL back onboard!

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 27/09/2026

Contact tomorrow with Chile! Students at Liceo Bicentenario Mary Graham in Valparaíso will talk with Jack Hathaway live via ham radio aboard the ISS. Scheduled Monday at 12:24 UTC | 8:24 AM ET | 9:24 AM CLST direct via CE2CQ. Crew audio on 145.800 MHz FM.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 27/09/2026

Four STEM contacts, two new ham radio operators on the incoming ISS crew, and a brand-new SSTV event. It's going to be a fun week for ARISS! What will you be participating in?

Graphic titled "ARISS Look Ahead" with an image of the International Space Station viewed from a SpaceX Dragon spacecraft on the left. The graphic highlights upcoming ARISS activities: Sept. 28, a STEM contact between Liceo Bicentenario Mary Graham in Valparaíso, Chile, and astronaut Jack Hathaway; Sept. 29, a STEM contact between Sophie Adenot and schools in Firenze and Venezia, Italy; Sept. 30, deadline for U.S. proposals for ARISS school contacts scheduled for January through June 2027; Sept. 30, a STEM contact with Bolgar, Tatarstan, Russia; Oct. 1, scheduled launch of Crew-13; and Oct. 2, start of ARISS SSTV Series 33, “Student Education.” Note at bottom states that all times are subject to change based on spaceflight activities. NASA image credit: ISS from SpaceX Dragon, 2021.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 26/09/2026

US STEM educators: How awesome would it be to end this school year by talking with the crew aboard the International Space Station? The first step is submitting your ARISS proposal by September 30... that's this Wednesday!

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 26/09/2026

Contact upcoming with Italy. Two STEM groups will make contact with Sophie Adenot onboard the ISS live via ham radio. Scheduled Tue, Sep 29 at 10:28 UTC | 6:28 AM ET | 12:28 PM CEST direct via IW5CWC and IQ3RW. Listen to the crew audio in parts of Europe on 145.800 MHz FM.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 24/09/2026

Reminder: contact with France Friday! Students at Collège Roger Martin du Gard in Belleme will talk with Sophie Adenot on the ISS live via ham radio. Scheduled Friday at 13:38 UTC | 9:38 AM ET | 3:38 PM CEST direct via F6KCO. Listen live on 145.800 MHz FM.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 24/09/2026

Contact upcoming with Chile! Students at Liceo Bicentenario Mary Graham in Valparaíso will talk with Jack Hathaway live via ham radio aboard the ISS. Scheduled Mon. 28-Sept at 12:24 UTC | 8:24 AM ET | 9:24 AM CLST direct via CE2CQ. Crew audio on 145.800 MHz FM.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 23/09/2026

Just a few hours until contact with North Carolina! Patients at Atrium Health Levine Children’s Hospital in Charlotte will talk live via ham radio with Jack Hathaway on the ISS. Scheduled today at 16:51 UTC | 12:51 PM ET via ON4ISS telebridge in Belgium. Listen on 145.800 MHz FM in Europe.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 22/09/2026

The ARISS ops team reports the Service Module packet radio is currently active in APRS mode on 70 CM. If you want to try the challenge on this digital mode, you can find the details in our graphic below.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 22/09/2026

SSTV Event Incoming! ARISS SSTV Series 33 will feature images focused on student education, transmitted from the International Space Station October 2-6. This special Expedition 75 SSTV event is just 9 days away. Get your SSTV software and decoders ready!

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 21/09/2026

Contact upcoming with France! Students at Collège Roger Martin du Gard in Belleme will talk with Sophie Adenot on the ISS live via ham radio. Scheduled for Fri. Sep. 25 at 13:38 UTC | 9:38 AM ET | 3:38 PM CEST direct via F6KCO. Listen live on 145.800 MHz FM.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 20/09/2026

It's a busy week for ARISS! Students in France, the United States, and Russia will connect with the ISS through three exciting STEM contacts.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 19/09/2026

Contact upcoming with North Carolina! Patients at Atrium Health Levine Children’s Hospital in Charlotte will talk live via ham radio with Jack Hathaway on the ISS. Scheduled Wed. Sep. 23 at 16:51 UTC | 12:51 PM ET via ON4ISS telebridge in Belgium. Listen on 145.800 MHz FM.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 18/09/2026

In T-2 hours and 35 minutes from the time of this post, the ARISS cross-band voice repeater and packet radio are scheduled to go off in support of the Progress 96 docking.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 17/09/2026

If you're attending #ASTC2026 in Phoenix, stop by Booth 708 to meet the ARISS team! Learn how students can talk directly with astronauts aboard the International Space Station and discover additional ARISS STEM education opportunities. We hope to see you there!

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 16/09/2026

It's time to finish those ARISS proposals! U.S. applications for a ham radio contact with the International Space Station crew are due Sept. 30, just two weeks away. Educators in Europe, Africa, and the Middle East can apply by Oct. 26 for contacts in the second half of 2027.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 15/09/2026

If you had the chance to talk directly with an astronaut aboard the International Space Station, what would you ask? Would you want to know about life in microgravity, scientific research, technology on the ISS, views of Earth from orbit, or something else? Drop your question in the comments!

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 13/09/2026

Reminder - HamTV goes offline Monday at 10:35 UTC / 6:35 a.m. ET to support non-ARISS payload activities aboard the ISS. Service is currently planned to return on Sept. 23 at 17:10 UTC / 1:10 p.m. ET. Times are approximate and subject to change.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 13/09/2026

ARISS USA congratulates 3 new STEM organizations selected to host ham radio contacts with astronauts aboard the ISS before June 2027: • Archdiocese of Atlanta Catholic Schools, Atlanta, Georgia • University of Texas at Austin Women in STEM, Austin, Texas • Dresden Elementary School, Dresden, Ohio

Graphic announcing the selection of Archdiocese of Atlanta Catholic Schools in Atlanta, Georgia, for an ARISS amateur radio contact with astronauts aboard the International Space Station during January to June 2027. A star-filled space background features the Archdiocese crest on the left and ARISS branding on the right. Additional text invites organizations to apply by September 30 for a chance to host an ARISS contact in the first half of 2027. The contact date and astronaut participant will be announced closer to the event.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 12/09/2026

ARISS Proposal Deadlines Upcoming! - US groups, submit by Sept. 30 for contacts in the first half of 2027. - Europe, Africa, Middle East, submit by Oct. 23 for contacts in the second half of 2027.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 10/09/2026

Heads up, ARISS operators and schools! The planned outage for the cross-band repeater and APRS packet radios has moved to Sept. 18-19 to support Progress docking activities. The HamTV outage has also been extended based on the payload work schedule. Details, dates, and times are in the graphic. 🚀

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 10/09/2026

Want to talk to the crew on the ISS using amateur radio? Patience is key. When crew members have free time and choose to get on the air, they will use the ARISS cross-band voice repeater for casual contacts. These sessions are unscheduled, so the best approach is to listen and be ready.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 09/09/2026

For our dedicated HamTV trackers, be aware that the unit will be offline next Mon. AM - Thu. AM in support of other payload activities on the ISS.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 08/09/2026

Tuesday science tip: The ARISS voice repeater always transmits on 437.800 MHz, but you may not receive it exactly there. As the ISS moves across the sky, the signal appears to shift in frequency. That's Doppler shift, and adjusting for it can help you hear more of each pass.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 07/09/2026

Reminder: ARISS radios will be offline on Monday during Progress 96 docking activities. Check the graphic for outage times and plan accordingly.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 05/09/2026

Our friends at NASA have a terrific podcast that talks to an educator about how they got involved in the ARISS program. Look for S1 E241 of "Houston, We Have a Podcast" on your favorite app!

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 04/09/2026

The ARISS radios will get some time off on Monday while the ISS welcomes the Progress 96 resupply mission. Check the graphic for times and remember it's all subject to change without notice.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 03/09/2026

As students head back to school across much of the world, ARISS is preparing for another busy season of ISS contacts. Some upcoming European contacts will use HamTV, so let's take a look at the current status of the system.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 02/09/2026

Several reports on the AMSAT status page show the cross-band voice repeater is back online after this week's outage. Listen to the voice repeater on 437.800 MHz and transmit on 145.900 MHz (CTCSS 67 Hz). More frequencies in the graphic. And don't forget about Doppler shift!

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 02/09/2026

STEM educators worldwide: There has never been a better time to apply for an ARISS contact with the International Space Station! ✅ Europe, Africa, and the Middle East: Application window now open for contacts in the second half of 2027.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 01/09/2026

Please join us in congratulating 4 dedicated ARISS volunteers on their new roles! 🔹 Deborah Lebair, KC3YWM, ARISS Int'l Secretary 🔹 Ryan Krenzischek, W4NTR, USA Chief Information Officer (CIO) 🔹 Daryl Young, K4RGK, USA Director of Operations 🔹 Megan Tucker, KQ4MAM, USA Logistics Manager

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 31/08/2026

Just a few hours until a planned ARISS radio outage begins. A spacewalk on Tuesday, September 1 will necessitate a 48 hour power-down of ARISS radios between now and Wednesday. Planned start and end times are in the graphic.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 30/08/2026

Looking for some STEM based lesson plans? ARISS has you covered. Check out our SPARKI kit ideas and find links to partners like NASA, ESA, ARRL and Estes Rockets all on our ARISS website. Just click "Educational Resources."

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