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METEOR ECHOES : The US Air Force Space Surveillance Radar has been shut down, but we're still recording meteor echos. How do we do it? Radio engineer Stan Nelson uses a Yagi antenna in New Mexico to detect 54 MHz TV signals reflected from meteor trails. When a meteor passes over his observatory--ping!--there is an echo. It's the next best thing to a giant government radar! Click on the button to listen to a live audio feed: |
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The following listeners have made generous donations to Space Weather Radio: Kenneth Walker of Lancaster, California The radar echoes we enjoy so much are made possible by their support. Please consider joining them with a donation today. |
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