If reference is made to the other GAP antenna models then they're not top
loaded. If to the voyager model, it has a top hat, is 45' high and has
tuning rods. I just put one up with the counterpoise. Counterpoise seems
to be the one described in the ON4UN Low Band DXing book using 1/4 wave
transmission line radials. Do not know what type of transmission line GAP
uses but looks like RG8X type.
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