Launched on November 15, 1974, a microsat named OSCAR-7 continues to operate fifty years later, serving radio amateurs around the world. It is...

Nov 13, 2009 · Thirty-five years ago this Sunday (15 November), AO-7 reached orbit. The following is from the AO-7 page on the AMSAT-North America Web site: "AMSAT-OSCAR 7 was launched November 15, 1974 by a Delta 2310 launcher from Vandenberg Air Force Base, Lompoc, California. AO-7 was launched piggyback with ITOS-G (NOAA 4) and the Spanish …

Dec 5, 2023 · Seems to always be spotted by EA8/DF4UE Canary Islands and AI6VN/KH6 Hawaii as it passes by those stations. They must have very good receiver systems. Kind of reminds me of satellite AO-7 which only works when in the sun it's batteries died many years ago. This is a VLEO (very low earth orbit) satellite hi hi. Rick K7CNT

Jun 17, 2015 · The Mode A transponder (145 up / 29 down) is still working, but it is much harder to receive... I've still made several QSOs over it. I'm not sure how much action Mode A will be seeing in the years to come as AO-7 is apparently going to go into many years of daily eclipses that will reset the transponder and it normally 'wakes up' in Mode B.

Dec 12, 2023 · <SAT_NAME:4>AO-7 <DXCC:3:N>291 <EOR> VE3CGA, Dec 15, 2023 #10. KI5UXW Ham Member QRZ Page.

Mar 11, 2010 · SB SAT @ AMSAT $ANS-069.01 AO-51 Second Repeater Configured to Support K4T DXpedition AMSAT News Service Bulletin 069.01 From AMSAT HQ SILVER...

Dec 21, 2021 · AO 7, as he calls it, was launched in 1974 and ceased operating in 1981. “It looked like the battery shorted, or something happened there, and years later, apparently the short cleared, and so when it was in sunlight, it revived.” Ginner’s memory of Project OSCAR revived as well.

Sep 9, 2021 · The venerable AO-7 satellite entered a period of full illumination on September 9 that will last until April 11, 2022. While in full illumination, the satellite’s 24-hour timer will automatically switch between Mode A (145 MHz up, 29 MHz down) and Mode B …