Since 1976, I am on the air with my call sign DB4IW on the 144 and 430 MHz bands in mode SSB, FM, RTTY, FAX, SSTV and packet radio. Sometimes, my call sign can be heard via the amateur radio satellites in mode B - even in RTTY. Better I should say: could be heard - as I am not often QRV since some five or six years.
Here, you may look at some amateur radio QSL cards of my collection.
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