Grundig 400 PE - Manual (Page 25)

Below are some selected frequency ranges on which SSB communication can be found. All frequencies are shown in Kilohertz.
AMATEUR RADIO
3700-4000, LSB, night.
7150-7300, LSB, night.
14150-14350, USB, day.
21150-21450, USB, day.
AERONAUTICAL (usually USB)
2850-3155
3400-3500
4650-4750
5480-5730
6525-6765
8815-9040
10005-10100
11175-11400
13200-13360
15010-15100
17900-18030
21870-22000
23200-23350
MARITIME (usually USB)
4063-4438
6200-6525
8195-8815
12230-13200
16360-17410
18780-18900
19680-19800
22000-22720
25070-25110
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