Tag Archives: Quarterwave

Quarterwave Antenna Calculation Chart

BandFrequencyFeetInchesMetersCentimeters
MetersMHz234/∆2808/∆71.5/∆7150/∆
2m146.000001-5/8'19-1/4"0.4949
6m52.000004-1/2'54"1.4140
10m29.000008'96-7/8"2.5250
12m24.940009-3/8'112-5/8"2.9290
15m21.2250011'132-1/4"3.37337
17m18.1180013'155"3.95395
20m14.1750016-1/2'198-1/8"5.04504
30m10.1250023-1/8'277-3/8"7.06706
40m7.1500032-3/4'392-3/4"101000
75m3.8500060-3/4'729-3/8"18.571857
80m3.6000065'780"19.861986
160m1.90000123-1/8'1477-7/8"37.633763
Some calculations are rounded.