HUGO HERRERA M

ALT Graphic about ARISS APRS operations on the International Space Station. The left side shows a close-up photo of a handheld amateur radio displaying an APRS station list with “ARISS-International Space Station” and the call sign RSØISS on a frequency of 437.825 MHz. The right side contains text titled “APRS: 70 CM Plans” and explains that the Service Module packet radio is operating on 437.825 MHz. Information includes: frequency 437.825 MHz plus or minus Doppler shift; path should include ARISS for digipeating; call sign RSØISS; mode FM, 1,200 bps; beacon approximately once per minute; and a recommendation to use 5 watts or less with a Yagi antenna for efficient operation. The ARISS logo appears in the lower right corner. Small text at the bottom reads: “ARISS APRS Beacon Packet from the ISS in 2026. ARISS photo.”

ALT Graphic promoting ARISS SSTV Series 33. The left side shows a star-filled space background with two images: a circular Expedition 75-themed emblem featuring a large “75” and stylized space graphics, and an “SSTV Series 33” logo with the International Space Station above Earth. The right side contains event details on a dark blue background. Text reads: “SSTV Series 33. The first Expedition 75 SSTV event will be a weekend sprint! Get your decoders ready! Here’s what you need to know.” Start: Friday, October 2, 09:00 UTC | 5:00 AM ET. Frequency: 437.550 MHz (+/- Doppler shift). SSTV Mode: Robot 36. Schedule: 36 seconds on / 2 minutes off. End: Tuesday, October 6, end time to be determined. Submit SSTV images at ariss-usa.org/ARISS_SSTV/. Submissions to the gallery are eligible for an official event certificate. An ARISS logo appears in the lower right corner.