ALT Graphic showing an astronaut floating inside the International Space Station holding a handheld radio microphone, surrounded by cables, equipment panels, and labeled modules. On the right, a dark blue panel contains event details: “Contact Upcoming – Youth on the Air Camp 2026, Huntsville, Alabama, USA.” Date and time listed as Thursday, 18 June, 16:36 UTC, 12:36 PM ET, 11:36 AM CT (local). Text states that an ISS crew member, Chris Williams, using the callsign NA1SS, will participate in the contact, with ground station callsign W4Y. Listening frequency is 145.800 MHz FM, with a note to watch live on YouTube. A smaller note states the cross-band repeater will be offline for this event. ARISS logo appears in the lower right corner.

ALT Informational poster for an upcoming ARISS amateur radio contact with the International Space Station (ISS). On the left is a NASA photo of ISS crew members Sophie Adenot (floating, holding tablets, smiling) and Chris Williams (standing beside her, smiling) inside the space station. The right side contains event details: "Contact Upcoming" with Universidad Tecnológica Nacional Facultad Regional San Rafael, Argentina. Scheduled for Tuesday, 05 May at 14:12 UTC (10:12 AM ET / 11:12 AM ART local). ISS crew member Sophie Adenot, callsign KJ5LTN, will use NA1SS. Ground station callsign LU9MAB. Listen on 145.800 MHz FM. The cross-band voice repeater will be offline. Includes ARISS logo and NASA photo credit at the bottom.