JS - This may help - iane ~ RHF
Shortwave Listening (SWL) Frequency Bands
SW Meter Band -- One Wave - - 1/2 WL - 1/4 WL - - Loop
Center Frequency----Length - - - - Feet - - - Feet - - Antenna
SW Band = MHz - - -K984.0 - - - -K468.0 - -K234.0 - -F1005
120 Meter = 2.40 - - - 410.0 - - - - 195.0 - - - 97.5 - - - 418.8
90 Meters = 3.30 - - - 298.2 - - - - 141.8 - - - 70.9 - - - 304.5
75 Meters = 3.95 - - - 249.1 - - - - 118.5 - - - 59.2 - - - 254.4
60 Meters = 4.91 - - - - 200.6 - - - - 95.4 - - - 47.7 - - - 204.9
49 Meters = 6.08 - - - - 162.0 - - - - 77.0 - - - 38.5 - - - 165.4
41 Meters = 7.35 - - - - 133.9 - - - - 63.7 - - - 31.8 - - - 136.7
31 Meters = 9.55 - - - - 103.0 - - - - 49.0 - - - 24.5 - - - 105.2
25 Meters = 11.9 - - - - 82.7 - - - - 39.3 - - - 19.7 - - - 84.5
22 Meters = 13.72 - - - - 71.7 - - - - 34.1 - - - 17.1 - - - 73.3
19 Meters = 15.45 - - - - 63.7 - - - - 30.3 - - - 15.1 - - - 65.0
16 Meters = 17.69 - - - - 55.6 - - - - 26.5 - - - 13.2 - - - 56.8
13 Meters = 21.65 - - - - 45.5 - - - - 21.6 - - - 10.8 - - - 46.4
11 Meters = 25.85 - - - - 38.1 - - - - 18.1 - - - - 9.1 - - - 38.9