日本刚发射升空的金星探测器上有5ghz的业余无线电信标。
the japanese unitec-1 space probe has been successfully launched and is now beginning its mission to the planet venus. what makes this mission of particular interest to amateurs is the fact that the unitec engineers have added a 5 ghz amateur radio beacon to the spacecraft and they are encouraging hams to attempt to receive it.
on may 21 japanese ground stations reported receiving the cw and fs...