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QSL - Cards (validation cards)
gives it already since the
starting times of the amateur radio. Incomplete knowledge of the wave propagation left emerge to that time many doubts, if suddenly in the own receiver a unusual private radio station was to be heard. The
observer wrote therefore the listened to station on a simple postcard, to procure itself assurance over transmitters and location (QTH). This card gave the radio amateur information over the wave propagation. So the
first QSL-Cards emerged The formation of the QSL-card is left the individual ham radio operator himself. Following registrations should be on a QSL-card available:
Call sign or DE - number (only for SWL's in Germany) Stations
address (To Radio ...) Date Time of day (in Universal Time UT) exact frequency (QRG) Mode (SSB, CW, RTTY ...) RST - Judgement (readability, sign, tone) Station equipment (TX,
RX, antenna, performance) DOK (in Germany Distrikts-Orts-Kenner) Remarks Own address (QTH)
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