[Elecraft] Strong recommendation: MFJ 18xx-series single-band whips for KX3, etc.

[Josh]

Not all 4ft radiators are equal! Top loading vs bottom loading changes the current distribution and raises radiation resistance of the vertical radiator. Top loading can substantially improve efficiency. 

73
Josh W6XU

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> <snip> ...A 4 foot radiator is still a 4 foot radiator and will have full efficiency at about 50 MHz. Using it with loading coil and/or top hat on lower frequencies will allow it to be used, but will not compare with a full size vertical radiator.
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