Upcoming ARISS Contact Schedule as of 2025-04-02 20:00 UTC
Upcoming ARISS Contact Schedule as of 2025-04-02 20:00 UTC
Quick list of scheduled contacts and events:
Sayama Technical High School, Sayama, Japan, directvia JA1YUT
The ISS callsign is presently scheduled to be OR4ISS
The downlink frequency is presently scheduled to be145.800 MHz
The latest information on the operationmode can be found at https://www.ariss.org/current-status-of-iss-stations.html
The scheduled crewmember is Takaya Onishi KF5LKS
The ARISS mentor is 7M3TJZ
Contact wassuccessful: Wed 2025-04-02 09:07:21 UTC 83 deg (***)
Congratulationsto the Sayama Technical High School students, Takaya,mentor 7M3TJZ, and ground station JA1YUT! (***)
Watch theLivestream at: https://space.sayama.jp/
Université de Namurasbl, Namur, Belgium, telebridge via IK1SLD
The ISS callsign is presently scheduled to be OR4ISS
The downlink frequency is presently scheduled to be145.800 MHz
The latest information on the operationmode can be found at https://www.ariss.org/current-status-of-iss-stations.html
The scheduled crewmember is Don Pettit KD5MDT
The ARISS mentor is ON6TI
Contact wassuccessful: Wed 2025-04-02 15:11:17 UTC 33 deg (***)
Congratulationsto the Université de Namur asbl students, Don, mentor ON6TI, andground station IK1SLD! (***)
Watch the Livestream at: https://www.youtube.com/live/MGHDLglTDAs
City of St. Petersburg School, St. Petersburg,Russia, direct via TBD
The ISS callsign is presently scheduled to be RSØISS
The downlink frequency is presently scheduled to be145.800 MHz
The latest information on the operationmode 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 gofor 2025-04-03 12:45 UTC
Ufa City School, Ufa, Russia, direct via TBD
The ISS callsign is presently scheduled to be RSØISS
The downlink frequency is presently scheduled to be145.800 MHz
The latest information on the operationmode 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 gofor 2025-04-04 10:25 UTC
Lyceum No. 23 of Kaliningrad City, Kaliningrad,Russia, direct via TBD
The ISS callsign is presently scheduled to be RSØISS
The downlink frequency is presently scheduled to be145.800 MHz
The latest information on the operationmode can be found at https://www.ariss.org/current-status-of-iss-stations.html
The scheduled crewmember is TBD
The ARISS mentor is RV3DR
Contact is gofor Mon 2025-04-07 11:10 UTC
Many times, a school may make a lastminute decision to do a Livestream or run into a last minute glitch requiring achange of the URL but we at ARISS may not get the URL in time forpublication. You can always check https://live.ariss.org/ to see if a school isLivestreaming.
The crossband repeater continues to be active. If any crewmember is so inclined, all theyhave to do is pick up the microphone, raise the volume up, and talk on thecrossband repeater. So give a listen,you just never know.
Note, all times are approximate. It is recommended that you do your own orbitalprediction or start listening about 10 minutes before the listed time.
All dates and times listed follow International StandardISO 8601 date and time format YYYY-MM-DD HH:MM:SS
The complete schedule page hasbeen updated as of 2025-04-02 20:00 UTC. (***)
Here you will find a listing ofall scheduled school contacts, and questions, other ISS related websites,IRLP and Echolink websites, and instructions for any contact that may bestreamed live.
https://www.amsat.org/amsat/ariss/news/arissnews.rtf
https://www.amsat.org/amsat/ariss/news/arissnews.txt
The successful school list hasbeen updated as of 2025-04-02 20:00 UTC. (***)
https://www.amsat.org/amsat/ariss/news/Successful_ARISS_schools.rtf
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Comments on making general contacts
I have been seeing a lot of traffic on Facebook and Isuspect on other social media sites with people asking why they are not hearingthe crew make general contacts. Firstoff the crew is very busy on the ISS and they simply may not have the time tojust pick up the microphone and talk. Also, one needs to be aware of their normal daily schedule. I have listed below the constraints that weat ARISS have to follow in order to schedule the school contacts. Hopefully this will help you better scheduleyour 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. Themost common times to find a crew member making casual periods are about onehour after waking up and about an hour before sleeping, when they have personaltime. 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 forgetthat the packet system is sometimes active. Check the status at https://www.ariss.org/or http://www.issfanclub.euto 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 operationmode can be found at https://www.ariss.org/current-status-of-iss-stations.html
Thelatest list of frequencies in use can be found at https://www.ariss.org/contact-the-iss.html
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A multi-point telebridge contact means that each studentwill be on the telebridge from their own home.
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ARISS is very aware of the impact that COVID-19 is havingon schools and the public in general. Assuch, we may have last minute cancellations or postponements of schoolcontacts. As always, I will try toprovide everyone with near-real-time updates. Watch for future COVID-19 relatedannouncements at https://www.ariss.org/
The following schools have now been postponed orcancelled due to COVID-19:
Postponed:
No new schools
Cancelled:
No new schools
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The ARISS webpage is at https://www.ariss.org/
Note that there are links to other ARISS websites fromthis site.
The main page for Applying to Host a Scheduled Contactmay be found at https://www.ariss.org/apply-to-host-an-ariss-contact.html
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ARISSContact Applications (United States)
Call forProposals
Theproposal window for US schools and educational organizations to host an AmateurRadio contact with a crew member on board the ISS has closed for contacts to bescheduled for July 1, 2025 – December 31, 2025.
Findmore information and proposal instructions, visit the ARISS-USA website at: https://ariss-usa.org/hosting-an-ariss-contact-in-the-usa/
Pleasedirect any questions to [email protected].
For futureproposal information and more details such as expectations, proposal guidelinesand proposal form, and dates and times of Information Webinars, go to www.ariss.org.
AboutARISS:
AmateurRadio on the International Space Station (ARISS) is a cooperative venture ofinternational amateur radio societies and the space agencies that support theInternational Space Station (ISS). In the United States, sponsors are theRadio 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 scheduledcontacts via amateur radio between crew members aboard the ISS and students inclassrooms or public forms. Before and during these radio contacts, students,educators, parents, and communities learn about space, space technologies, andamateur radio. For more information, see www.ariss.org.
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ARISSContact Applications (Europe, Africa and the Middle East)
Schoolsand Youth organizations in Europe, Africa and the Middle East interested insetting up an ARISS radio contact with an astronaut on board the InternationalSpace Station are invited to submit an application from September to Octoberand from February to April.
Pleaserefer to details and the application form at www.ariss-eu.org/school-contacts. Applications should be addressed by emailto: [email protected]
ARISSContact Applications (Canada, Central and South America, Asia and Australia andRussia)
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Organizationsoutside the United States can apply for an ARISS contact by filling out anapplication. Please direct questions tothe appropriate regional representative listed below. If your country is notspecifically listed, send your questions to the nearest ARISS Region listed. Ifyou are unsure which address to use, please send your question to theARISS-Canada representative; they will forward your question to the appropriatecoordinator.
For theapplication, go to: https://www.ariss.org/ariss-application.html.
ARISS-Canadaand the Americas, except USA: Steve McFarlane, VE3TBD email to: [email protected]
ARISS-Japan,Asia, Pacific and Australia: Satoshi Yasuda, 7M3TJZ email to: [email protected],Japan Amateur Radio League (JARL) https://www.jarl.org/
ARISS-Russia: Soyuz Radioljubitelei Rossii (SRR) https://srr.ru/
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ARISS is always glad to receivelistener reports for the above contacts. ARISS thanks everyone in advance for their assistance. Feel free to send your reports to [email protected].
Listen for the ISS on the downlink of 145.8Ø MHz unlessotherwise noted.
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All ARISS contacts are made viathe Kenwood radio unless otherwise noted.
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Several of you have sent me emails asking about the RAC ARISS website and not being able to get in. That has nowbeen changed to https://www.ariss.org/
Note that there are links toother ARISS websites from this site.
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Looking for something new todo? How about receiving DATV from theISS? Please note that the HamTV systemis back on board but awaiting re-installation. Please monitor ARISS-EU or ARISS-ON for the very latest news on thetroubleshooting efforts.
If interested, then please go to the ARISS-EU website forcomplete details. Look for the buttonsindicating Ham Video.
If you need some assistance, ARISS mentor Kerry N6IZW,might be able to provide some insight. Contact Kerry at [email protected]
The HamTV webpage: https://www.amsat-on.be/hamtv-summary/
**************************************************************************** ARISS congratulates the following mentors who have now mentored over 100schools:
Sergey RV3DR with 260
Satoshi 7M3TJZ with 156 (***)
Francesco IKØWGF with 154
Gaston ON4WF with 124
Steve VE3TBD with 125
Peter IN3GHZ with 123
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The webpages listed below wereall reviewed for accuracy. Out of date
webpages were removed, and newones have been added. If there areadditional
ARISS websites I need to knowabout, please let me know.
Totalnumber of ARISS ISS to earth school events is 1825. (***)
Eachschool counts as 1 event.
Totalnumber of ARISS ISS to earth school contacts is 1716. (***)
Eachcontact may have multiple schools sharing the same time slot.
Totalnumber of ARISS supported terrestrial contacts is 48.
Please feelfree to contact me if more detailed statistics are needed.
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The followingUS states and entities have never had an ARISS contact: South Dakota, American Samoa, Guam, Northern Marianas Islands, and theVirgin Islands.
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QSLinformation may be found at:
https://www.ariss.org/qsl-cards.html
ISS callsigns: DPØISS, FXØISS,GB1SS, IRØISS, NA1SS, OR4ISS, RSØISS
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Frequencychart for packet, voice, and crossband repeater modes showing
Dopplercorrection as of 2005-07-29 04:00 UTC
https://www.amsat.org/amsat/ariss/news/ISS_frequencies_and_Doppler_correctio...
Check outthe Zoho reports of the ARISS contacts
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Exp. 72 on orbit
Aleksey Ovchinin
Ivan Vagner
Don Pettit KD5MDT
SpaceX Crew-10 on orbit
Anne McClain
Nichole Ayers KJ5GWI
Takaya Onishi KF5LKS
Kirill Peskov
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73,
Charlie SufanaAJ9N One of the ARISS operation team mentors
participants (1)
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aj9n＠aol.com