哈罗CQ火腿社区

回帖：赶紧在首页占个位，以后也要qrp。

BD1LQA回帖于2010-01-10 19:41

下一楼›：继续qrp..................(ba6qy)
‹上一楼：that means a cw transmitter has to output 16 times more power than a psk31 transmitter to ..(zjjxt)