G5RV
A simple multiband antenna
Use this formula...
L (ft) = 492(n-.05)/ f(MHz) = 492 (2.95) / 14.151 = 102.57 feet
for example,
V.F = .95 for 450 Ώ ladder line
L = (492 x V.F)/f(MHz
L = (492 x .95)/14.50 MHz
L = 33.03 feet
Note: n = the number of half wave len
n = 3 half wave lengths
n = 3/2 λ
Dimensions for all G5RV Antennas
•Bands : 1.8-28 MHz, 3.5-28 MHz, 7.0-28 MHz
•Flat-top 204 ft102 ft51 ft
•MATCHING LINES
•Open wire : 67.3 ft, 34 ft, 17 ft
•Ladder line: 62.4 ft, 31.5 ft 21.2 ft
•"TV" twin lead 56.9 ft, 28.5 ft, 14.4 ft