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Arecibo Observatory on-the-air this Sunday November 10th | Southgate Amateur Radio News

Arecibo Observatory on-the-air this Sunday November 10th | Southgate Amateur Radio News

As part of the celebration of it’s 50th anniversary, the Arecibo Observatory in Puerto Rico will be On-the-Air with the amateur radio callsign KP4AO as a special event station

 

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