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International Space Station Passes Over Wichita Falls

Listen for the ISS side of astronaut-to-school and astronaut-to-random-ham contacts on 145.800 MHz. Listen for regular Earthbound "ham to ham" contacts on the ISS repeater downlink on 437.800 MHz. If the ISS is close enough, you can listen on your scanner radio with an inside antenna. However, a good outside antenna is recommended for the best results. I heard Astronaut Owen Gariott (W5LFL) make the first Amateur (ham) Radio contacts from space (on the Space Shuttle mission STS-9) in 1983, using just the telescopic antenna on my Bearcat 220 scanner! You don't have to be interested in Amateur (ham) Radio communications from the Space Station. You can just step outside and watch that bright "star" cross the sky. You'll know it when you see it.

FM voice uplink: 144.490 downlink: 145.800 MHz
FM repeater uplink: 145.990 MHz downlink: 437.800 MHz Tone: 67 Hz
Slow-Scan Television: 145.800 MHz
VHF Packet data 145.825 MHz
UHF Packet data 437.550 MHz
HamTV: 2395 MHz.

SCHEDULE

May 10, 2026 - 5:02 AM CDT - Above the horizon: 2 Minutes, Max Height 31°, Appears 31° SSE Disappears 10° SSE.

May 10, 2026 - 9:38 PM CDT - Above the horizon: 5 Minutes, Max Height 22°, Appears 10° W Disappears 10° NNE.

May 20, 2026 - 11:27 PM CDT - Above the horizon: 1 Minute, Max Height 17°, Appears 10° NNW Disappears 17° N.

May 21, 2026 - 10:40 PM CDT - Above the horizon: 2 Minutes, Max Height 16°, Appears 10° N Disappears 15° NNE.

May 22, 2026 - 9:53 PM CDT - Above the horizon: 2 Minutes, Max Height 11°, Appears 10° NNE Disappears 10° NE.

I will add more passes as NASA posts them.