HamTV outage upcoming Wednesday. HamTV transmissions will take a pause on Wednesday to enable other human research payload operations. When operating, HamTV is transmitting a signal but no media is being sent. We'll share when future uses are planned.

US Educators - See ARISS this week at CAST. Members of our education mentor team will be in the exhibit hall at the Conference for the Advancement of Science Teaching (CAST) in Dallas, TX. See you the 13th to 15th!

Get ready for ARISS SSTV Series 30 starting Wednesday! Celebrate the ISS at 25, ARISS at 25, and the amazing work that Scouting does! Thanks to the ops team for passing along all the timings for this event from the crew schedule.

US educational and youth groups: Want to join the 4 new groups announced for 2026 contacts? You have to submit a proposal, and you only have a week until the deadline! Visit our ARISS-USA website, read the proposal guide and watch the video to get started. ariss-usa.org/proposal-ove...

We’re excited to announce ARISS STEM activities upcoming for four groups. They were selected for ARISS-USA #HamRadio contacts with the International Space Station during January to June 2026. Congratulations to Walnut Grove Elementary School in Suwanee, GAon their successful proposal.

We’re excited to announce ARISS STEM activities upcoming for four groups. They were selected for ARISS-USA #HamRadio contacts with the International Space Station during January to June 2026. Congratulations to Hilltop Elementary School in Canfield, OH on their successful proposal.

We’re excited to announce ARISS STEM activities upcoming for four groups. They were selected for ARISS-USA #HamRadio contacts with the International Space Station during January to June 2026. Congratulations to Emporia State Univ. in Kansas on their successful proposal.

We’re excited to announce ARISS STEM activities upcoming for four groups. They were selected for ARISS-USA #HamRadio contacts with the International Space Station during January  to June 2026. Congratulations to the Lewis Center in Apple Valley, CA on their successful proposal.

Contact upcoming with Argentina. Learners at Colegio Del Faro, Benavídez, Tigre will talk with Mike Fincke on live on the International Space Station via ham radio. Scheduled for Tue. 11-Nov. at 18:18 UTC | 1:18 PM ET | 3:18 PM ART direct via LU4BB. Listen on 145.800 MHz FM

ARISS is proud to have some terrific sponsors and financial supporters! You can join that group. Giving Tuesday is coming up, but why wait? Find out about donating at www.ariss.org/annual-fund.... ARISS USA is a 501(c)(3) non-profit organization.

All systems nominal for the ARISS radios today. So, have some fun making voice and APRS contacts! Remember, beginning Wed. 12-Nov, SSTV Series 30 will replace APRS for 9 days, so get those packets sent while you can!

You know that Amateur Radio on the International Space Station (ARISS) was the first educational payload on the station! So we are going to celebrate the 25th anniversary of the ISS in style! Get ready for an SSTV event covering parts of 9 days! It's scheduled to kick off on Wed. November 12.

Contact upcoming with Hungary! Learners at Petőfi Sándor Evangélikus Gimnázium, Kollégium és Általános Iskola in Mezőberény will talk with Jonny Kim on the International Space Station live via ham radio. Scheduled Fri. 07-Nov at 08:11 UTC | 3:11 AM ET | 9:11 AM CET via K6DUE telebridge.

Reminder: Contact tomorrow with Australia! Jonny Kim will talk to the Q-Tech Conference at Wavell State High in Queensland, Australia from the ISS via ham radio. Sched. Saturday at 09:10 UTC | 5:10 AM ET | 7:10 PM AEST via VK4ISS telebridge. Listen live on 145.800 MHz FM.

Fewer than 2 hours until contact with Australia! Learners with the Australian Air League in Adelaide will talk live with Mike Fincke on the ISS via ham radio. Scheduled today at 09:59 UTC | 5:59 AM ET | 8:29 PM ACDT via VK4ISS telebridge. Listen live on 145.800 MHz.

Let's take a trip back 40 years ago to this day in 1985. STS-61A launched and more ham radio in human spaceflight history was made! Congrats to those who contacted DP0SL - share your stories in the comments!

The crowd at amsat.org/status is reporting both the cross band voice repeater and packet radio (APRS) are back online. This completes the outage for this week's EVA.

Contact upcoming with Australia! Jonny Kim will talk to the Q-Tech Conference at Wavell State High in Queensland, Australia from the ISS via ham radio. Scheduled for Sat. 01-Nov at 09:10 UTC | 5:10 AM ET | 7:10 PM AEST via VK4ISS telebridge. Listen live on 145.800 MHz FM.

A few hours until contact with Poland. Adam Mickiewicz Primary # 2 in Koło will talk with Zena Cardman aboard the ISS live via ham radio. Sched. Wednesday at 10:36 UTC | 6:36 ET | 11:36 AM CET via AB1OC telebridge. Listen on 145.800 MHz in Eastern North America. Watch on YouTube.

Contact upcoming with Australia! Learners with the Australian Air League in Adelaide will talk live with Mike Fincke on the International Space Station via ham radio. Scheduled for Fri. 31-Oct at 09:59 UTC | 5:59 AM ET | 8:29 PM ACDT via VK4ISS telebridge. Listen live on 145.800 MHz.

ARISS radio outages underway. Due to activity aboard the ISS, the Crossband Voice Repeater and Packet Radios (APRS) will be off today and early tomorrow. Check the graphic for scheduled times.

Busy week for ARISS activities on the International Space Station Radio outage on Tuesday for a space walk, followed by 3 contacts this week. Check our feed for detailed times as they become available.

Contact upcoming with Poland. Miejski Dom Kultury w Koło will talk with Zena Cardman aboard the ISS live via ham radio. Scheduled Wed. 29-Oct at 10:36 UTC | 6:36 AM ET | 11:36 AM CET via AB1OC telebridge. Listen on 145.800 MHz in Eastern Nortn America. Watch on YouTube.

ARISS radio outages upcoming. Due to activity aboard the ISS, the Crossband Voice Repeater and Packet Radios (APRS) will be off Tuesday and early Wednesday. Check the graphic for scheduled times.

2 hours until contact with Indiana! Learners at Terre Haute Children’s Museum will talk live with Jonny Kim on the ISS via ham radio. Scheduled for Sat. 25-Oct. at 13:45 UTC | 9:45 AM ET direct via W9UUU. Listen live on 145.800 or watch at live.ariss.org.

Let's check on the status of proposal windows for STEM contacts with the ISS: Europe, Africa & Middle East: Applications are due today! USA: Proposals are due by Fri. Nov. 14. Other parts of the world: check your regional info. Visit www.ariss.org/apply-to-hos... for links!

Reminder - Contact with Colombia tomorrow! Learners at Colegio de Cultura Popular in Bogotá will talk with Zena Cardman on the ISS via ham radio. Scheduled Thu. at 13:46 UTC | 9:46 AM ET | 8:46 AM COT via AB1OC telebridge. Listen live on 145.800 MHz in NE North America.

Educators and youth groups in Europe, the Middle East, and Africa: You only have a few more days to submit your application for a ham radio contact with the ISS crew in 2026. Applications are due on Friday! You can find the application form online at www.ariss-eu.org/index.php/sc...

Contact upcoming with Indiana! Learners at Terre Haute Children’s Museum will talk live with Jonny Kim on the ISS via ham radio. Scheduled for Sat. 25-Oct. at 13:45 UTC | 9:45 AM ET direct via W9UUU. Listen live on 145.800 or watch on ARISS Live.

The UK Space Agency shared their thoughts on this weekend's contact with UK Scouts: space.blog.gov.uk/2025/10/20/s...

Contact upcoming with Greece! 18th Primary School of Larissa will talk live via ham radio with Mike Fincke on the ISS. Scheduled Fri. 24-Oct at 08:04 UTC | 4:04 AM ET | 11:04 AM EEST via K6DUE telebridge. Listen live on 145.800 MHz in eastern US or watch on YouTube.

Contact upcoming with Columbia! Learners at Colegio de Cultura Popular in Bogotá will talk with Zena Cardman on the ISS via ham radio. Scheduled for Thu. 23-Oct. at 13:46 UTC | 9:46 AM ET | 8:46 AM COT via AB1OC telebridge. Listen live on 145.800 MHz in NE North America.

Double success for today's contact with scouts in the UK! 22 kid questions asked and answered, and they were able to see Jonny Kim live on station via HamTV. Thanks to SP5LOT for sharing this HamTV capture on YouTube: www.youtube.com/watch?v=7c-r...

Just a few hours until contact with UK. 1st Radford Semele Scout Group will talk live via ham radio with Jonny Kim on the ISS. Scheduled Saturday at 09:51 UTC | 5:51 AM ET direct via GB4RSS. Listen on 145.800 MHz, watch at live.ariss.org.

Fewer than 12 hours until the first of 2 HamTV transmissions from the ISS Saturday. The HamTV unit is scheduled to send "tone and bars" during the 08:15 UTC pass. Live video from the ISS will be attempted during the 09:51 UTC pass for the STEM contact with the UK.

Reminder that due to a conflict with some activities on the ISS, there will be no SSTV event this weekend. Teams are working to reschedule in mid-November. Please watch our feed for info as it's available.

Here's the latest on the UK contact that includes a HamTV test this Saturday. The HamTV unit is scheduled to send "tone and bars" during the 08:15 UTC pass. Live video from the ISS will be attempted during the 09:51 UTC pass. Watch ARISS social for updates!

US educators and youth group leaders, tonight is our quarterly webinar to help you submit an outstanding proposal for a student contact. It starts at 8 PM ET | 5 PM PT - follow the link to our website to get all the info about ham radio contacts with the ISS crew! ariss-usa.org/proposal-ove...

This week's ARISS radio outages are getting underway. Here's the latest: HamTV should now be off until Friday. The packet radio (APRS/SSTV) & cross-band voice repeater are expected to go off around 18:20 UTC | 2:20 PM ET today.

The operations team is reporting the packet radio (APRS) is offline. This was unscheduled. We do not know if it will be restored prior to tomorrow's planned outage.

Saturday's contact with 1st Radford Semele Scout Group in the UK will attempt to capture a live HamTV transmissions from the ISS. Check the graphic for more info and visit the BATC forum or ARISS Discord for more HamTV discussion. forum.batc.org.uk/viewforum.ph... discord.gg/JrmXw58U8T

Contact Upcoming with UK. 1st Radford Semele Scout Group will talk live via ham radio with Jonny Kim on the ISS. Scheduled Sat. 18-Oct at 09:49 UTC | 5:49 AM ET direct via GB4RSS. Listen on 145.800 MHz, watch at live.ariss.org. A HamTV transmission will also be attempted.

The schedule on the ISS has created a conflict with this weekend's planned SSTV event. Due to some EVA's (spacewalks) the ARISS Series 30 SSTV event will be rescheduled. It's now targeted for mid-November.

The ARISS radios are going off this week in support of spaceflight activities on the ISS. Outages are coming up from Wednesday to Friday. Approximate times are listed in the graphic below.

The ARISS radios on the International Space Station are GO for your weekend fun. Watch for outages beginning Wednesday due to station activity.

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.

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.

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.

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.

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