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ARISS - Amateur Radio on the International Space Station

@arissintl.bsky.social

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Official ARISS! ARISS lets students worldwide experience the excitement of talking directly with crew members of the International Space Station via amateur radio, inspiring them to pursue interests in careers in science, technology, engineering and math.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 3h

The ARISS radios on the International Space Station are GO for your weekend fun.

Watch for outages beginning Wednesday due to station activity.

The ISS Ham Radio Status as of Saturday, 11-October:Columbus Module Radio: Configured as crossband repeater, Downlink: 437.800 MHz, Uplink: 145.990 MHz - PL 67 Hz.
Service Module Radio: Configured for Packet (APRS), Up & Downlink: 145.825 MHz.
HamTV: Active, transmitting blank AV signal, Downlink: 2395 MHz (2.395 GHz).
Outages (October 15-17): HamTV off Wed. 12:25 UTC (8:25 AM ET) until Fri. 13:00 UTC (9:00 AM ET).
Voice repeater and Packet (APRS) radios off Wed. 18:20 UTC (2:20 PM ET) to Fri. 08:20 UTC (4:20 AM ET). Packet radio TBD pending SSTV start.

Next SSTV Event: Scouting Jamboree On The Air, starts Fri. 17-October, runs until Monday. Expect interruption Sat. 18-October for UK contact. Timing subject to change.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 1d

SSTV Series 29 from the ISS was a busy one! More than 3,200 people submitting a total of 8,000+ decodes.

While transmissions have ended for World Space Week, there is still time to submit those decodes for a certificate. Link & details in the graphic.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 2d

Contact tomorrow with Namibia!

The Namibia Scientific Society in Windhoek will talk with Mike Fincke on the ISS live via ham radio.

Scheduled for Thu. 09-Oct at 10:37 UTC | 6:37 AM ET | 12:37 PM CAT via ON4ISS telebridge.

Listen on 145.800 MHz FM or watch at Live.ARISS.org.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 2d

Less than a day left on the Series 29 SSTV event. It will end before 10:00 UTC | 6:00 AM Thursday.

Get your decodes submitted by Sunday Morning to qualify for a certificate.

Then start planning for SSTV Series 30, planned to start on 17-October.

The Space Week SSTV Wednesday Update reports over 7,000 image submissions to the gallery, with a few hours left in the ARISS Series 29 - World Space Week series. This series includes 12 images using PD120 encoding, broadcast at 145.800 MHz worldwide. Submit your images for a certificate at ariss-usa.org/ARISS_SSTV/. The event ends around 10:00 UTC (6:00 AM Thursday), requiring only one submission for a certificate, though all decodes are welcome. Images must be original and submitted within 72 hours of the event's end. Certificates are not automated; check your status in the gallery and wait a few days before emailing about certificates, checking spam or promotions folders first.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 4d

The application window is also open in Europe, Africa and the Middle East.
Start at our website for all the info you need:
www.ariss.org/apply-to-hos...

Apply to Host an ARISS Contact

ARISS Contact Proposals (U.S. only) 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 October 6th, 2025.....

www.ariss.org

ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 4d

US Educators - want to start the next school year talking with a crew member on the ISS via ham radio? Or do something from your Jamboree?

The ARISS-USA proposal window is now open until Mid-November. Don't miss the webinar next week to craft that winning proposal.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 4d

Contact upcoming with Namibia!

The Namibia Scientific Society in Windhoek will talk with Mike Fincke on the ISS live via ham radio.

Scheduled for Thu. 09-Oct at 10:37 UTC | 6:37 AM ET | 12:37 PM CAT via ON4ISS telebridge.

Listen on 145.800 MHz FM

The image is a notice about an upcoming contact between the Namibia Scientific Society in Windhoek, Namibia, and ISS crew member Mike Fincke. The event is scheduled for Thursday, October 9, 2025, at 10:37 UTC (6:37 AM ET, 12:37 PM CAT local time). KE5AIT will use the OR4ISS callsign, and the ground station callsign is ON4ISS. The event can be listened to on 145.800 MHz FM, with the cross-band voice repeater offline. The image includes a NASA photo of Mike Fincke using the ARISS Service Module radio during Expedition 18 in 2009.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 5d

Reminder, SSTV transmissions will pause today to support the educational contact in New Jersey.

Scheduled off-time is around 13:30-17:00 UTC | 9:30 A - 1:00 P ET.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 5d

Contact with New Jersey later today!

Paterson P-Tech High School will talk live via ham radio with Kimiya Yui on the International Space Station.

Scheduled today at 14:24 UTC | 10:24 AM ET direct via W2NPT.
Listen live on 145.800 MHz. Livestream: www.eduvision.tv/l?mmDyteOS

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 5d

Are you hearing voices in your head? The ops team also confirms there are some low level voices embedded in some of the image audio files. It doesn't appear to be impacting the images. They will be reviewing during their after-event session.

ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 5d

Looking good!

ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 5d

Yes! No post processing please. Just the raw decode from your software works great. We don't need any photoshopping or call sign additions.

ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 5d

Here's your Sunday SSTV update.

The ops team has notes about outages, gallery submissions, and certificates below. Please review!

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 7d

World Space Week is now officially underway and the ARISS SSTV event is into day 2!

Get out this weekend or early next week and capture some images from space. All the information you need is in the graphic below.

The Space Week SSTV Saturday Update reports nearly 1,000 image submissions to the gallery on day 1. The event features ARISS Series 29 - World Space Week with 12 images using PD120 encoding, broadcast at 145.800 MHz worldwide. Submit images for a certificate at ariss-usa.org/ARISS_SSTV/. The remaining schedule includes normal SSTV transmissions on Sat/Sun, a break for a New Jersey contact on Mon (13:30-17:00 UTC / 9:30 AM - 1:00 PM ET), normal transmissions on Tue/Wed, and an end by 10:00 UTC (6:00 AM ET) on Thu for a scheduled contact. Note that times may change due to spaceflight activities.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 7d

Nice to know it's back up after the contact with Australia. Thanks!

ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 7d

About 11 hours until contact with Australia!

Girl Guides Association of NSW/ACT/NT in Murwillumbah will talk with Zena Cardman via ham radio, live on the ISS.

Scheduled Saturday at 10:26 UTC | 6:26 AM ET | 8:26 PM AEST via VK4ISS telebridge. Listen live on 145.800 MHz FM.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 7d

Reminder, the SSTV event will pause beginning around 10:00 UTC | 6:00 AM ET on Saturday to allow for the educational contact with Australia.

SSTV scheduled to resume around 11:00 UTC | 7:00 AM ET.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 7d

The ARISS Series 29 SSTV event is now underway for World Space Week.

It's been upgraded to a full series of 12 images. How many can you capture between now and Thursday?

Upload you photos to the gallery at ariss-usa.org/ARISS_SSTV/ to register for an event certificate.

The Space Week SSTV Event is underway, with amateurs worldwide capturing images from initial passes today. The event features ARISS Series 29 with 12 images using PD120 encoding at 145.800 MHz. Submit your images for a certificate at ariss-usa.org/ARISS_SSTV/. Due to the 68th anniversary of Sputnik-1's launch on October 4, 1957, the event has been extended to October 9 with 6 new slides, hosted by the ARISS-Russia team on the ISS Russian Segment.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 8d

Great news! The SSTV Series 29 event is being extended! Instead of ending Monday it will now run until Thursday!

There will be pauses for educational contacts along the way. See the graphic for times including those planned outages.

It all starts tomorrow! Good luck!

The Space Week SSTV Event features transmissions from the ISS starting Friday, October 3, 2025, at 12:20 UTC (8:20 AM ET) until Thursday, October 9, at 7:30 UTC (3:30 AM ET), with interruptions for educational contacts. Details include:Series: ARISS Series 29 - World Space Week
Images: 6 using PD120 encoding
Frequency: 145.800 MHz worldwide
Certificate: Available, submit to ariss-usa.org/ARISS_SSTV/
Contact Windows: Sat, Oct 4: Australia Girl Guides, SSTV off 10:00-13:00 UTC (4-7 AM ET)
Mon, Oct 6: Patterson, New Jersey, SSTV off 13:40-16:55 UTC (9:40 AM-12:55 PM ET)

Note: Off times may change.

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ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social · 9d

Contact upcoming with New Jersey!

Paterson P-Tech High School will talk live via ham radio with Kimiya Yui on the International Space Station.

Scheduled Mon. 06-Oct at 14:24 UTC | 10:24 AM ET direct via W2NPT.

Listen live on 145.800 MHz. A live stream is planned.

The image is a notice about an upcoming contact event with ISS crew member Kimiya Yui, KG5BPH, using the NA1SS callsign. The event is scheduled for Monday, October 6, 2025, at 14:24 UTC (10:24 AM ET) with Paterson P-Tech High School in Paterson, New Jersey, USA. The ground station callsign is W2NPT, and listeners can tune in to 145.800 MHz FM. Live streaming is planned, and the cross-band voice repeater will be offline. Kimiya Yui previously made contact via the ARISS ham radio in September 2025.

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

3 hours until contact with Mexico.

Instituto Politecnico Nacional: Planetario “Luis Enrique Erro” in Mexico City will talk LIVE via ham radio with Zena Cardman on the ISS.

Scheduled today at 16:40 UTC | 12:40 PM ET | 10:40 AM CST direct via XE2L.

Listen on 145.800 MHz.

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

This contact start time has been updated due to additional boost activity of the ISS. It will now begin around 16:40 UTC | 12:40 PM ET | 10:40 AM Local.

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

This contact start time has been updated due to additional boost activity of the ISS. It will now begin around 16:40 UTC | 12:40 PM ET | 10:40 AM Local.

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

Contact upcoming with Australia!

Girl Guides Association of NSW/ACT/NT in Murwillumbah will talk with Zena Cardman via ham radio, live on the ISS.

Scheduled Sat. 04-Oct at 10:26 UTC | 6:26 AM ET | 8:26 PM AEST via VK4ISS telebridge.

Listen live on 145.800 MHz FM.

The image shows an upcoming contact event between the ISS crew member Zena Cardman (KJ5CMN) and the Girl Guides Association of NSW/ACT/NT in Murwillumbah, Australia. The event is scheduled for Saturday, October 4, 2025, at 10:26 UTC (6:26 AM ET, 8:26 PM AEST local time). Zena will use the NA1SS callsign, and the ground station callsign is VK4ISS. The contact can be listened to on 145.800 MHz FM, with the cross-band voice repeater and SSTV activity offline for this event. Image shows Zena participating in pre-flight comms training before her NASA mission.

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

The contact was successful!