Are you going to use them as raised radials or just lay them on the ground?
If you are using them as ground radials, just lay 4-6 25FT (or there
abouts) radials on the ground. Ground radials just are not resonant. Or
should I say that their apparent resonance changes with what they are
laying on.

On Sat, Sep 17, 2016 at 4:02 PM, rick jones via Elecraft <
elecraft@mailman.qth.net> wrote:

> I have one of those MFJ telescoping whips that extends to 1/4 wave on 20
> meters (40 with a coil). Instead of cutting a bunch of quarter wave radials
> for each band I'm going to press into service an SGC290 at the feedpoint
> and use 16, 30 foot radials instead. When using the tuner should I still
> "tune" the whip to my operating band or just leave it fully extended? In
> other words is a resonant vertical more efficient then a non resonant
> vertical with the same SGC and radials in place? Thanks!
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