Bob

@i0qm

Shortwave Radio via Ionosphere. CW straight key & bug; 10-10 NAQCC SKCC; QRP up to μW; ultra weak signals, 10-meter lover. Photography, Astronomy, Physics, IT *

#Mars : #Eberswalde #Crater image #astronomy via esa.int (credit ESA)

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1246 days ago

#Mars : #Eberswalde #Crater image #astronomy via esa.int (credit ESA)

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