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Messages - Marcel

#1
Hello Gil,

I want to build a 3 element tape mesure antenna
for 146.700MHz. Are the following
calculation correct ?

λ = c/f
λ = 300/146.7
λ = 2.044989775051125‬ meters

Reflector lenght .................. = 0.495 * λ
                                          = 0.495 * 2.044989775051125
                                          = 1.012269938650307‬ meters


Driven elements  .................. = 0.473 * λ
                                           = 0.473 * 2.044989775051125
                                           = 0.967280163599182‬ meters

Director lenght  .................. = 0.440 * λ
                                          = 0.440 * 2.044989775051125
                                          = 0.899795501022495‬ meters

Reflector to driven element spacing = 0.125 * λ
                                                          = 0.125 * 2.044989775051125
                                                          = 0.255623721881390‬ meters

Driven element to director spacing  = 0.125 * λ
                                                          = 0.125 * 2.044989775051125
                                                          = 0.255623721881390‬ meters

Does this make sense

Merci