最近在看cw和psk31，不知哪些频点是常用的，最好是3级可以上的。7070上守了几次都没有。
psk31 频率- g3plx 建议在所有的波段使用usb模式.
1838.150
3580.150
7035.15 (for region 1 and region 3, and 7080.15 for region 2 *)
10142.150
14070.150
18100.150
21080.150 (although most activity can be found 10 khz lower)
24920.150
28120.150
band psk31 rtty ascii mfsk cw
160 m 1.81215 1.812 1.812 1.812 1.800
80 m 3.58015 3.580 3.580 3.580 3.500
40 m 7.07015 7.080 7.080 7.073 7.000
30 m 10.13715 10.130 10.130 10.130 10.100
20 m 14.07015 14.080 14.080 14.073 14.000
17 m 18.10015 18.100 18.100 18.104 18.068
15 m 21.07015 21.080 21.080 21.073 21.000
12 m 24.925 24.920 24.920 24.925 24.890
10 m 28.12015 28.080 28.080 28.073 28.000
其他常用频点：
bpsk31, qpsk31 (usb)
1838, 3580, 7035, 10140, 14070, 18100, 21080, 24920, 28070, 28120, 50000, 144000
