AMSAT-DL and Bochum Observatory Detect ISEE-3 Transmitters

AMSAT-DL and Bochum Observatory receive signal from retired NASA spacecraft, AMSAT-DL

"On March 1st and 2nd, 2014 radio amateurs were able to detect the beacon signal from the retired NASA deep space probe ICE (International Cometary Explorer) at the Bochum Observatory (Germany). After some changes to the ground equipment and aligning the receive antenna to the predicted position in the sky, the beacon signal could positively be identified due to its frequency, the position in the sky and the frequency shift due to the radial velocity (Doppler shift)."

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