qsl card การใช้
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- However, Jean did not submit his QSL cards for independent review.
- QSL card derived its name from the Q code " QSL ".
- Eppers contributed characters to QSL cards for ham radio operators.
- W1AW offers a QSL card for those who have contacted the station over the air.
- After communicating with Moran, hams eagerly sought to receive his QSL card as a souvenir.