[Elecraft] KX3 And Alexloop?

Robert Sands k7voradio at gmail.com
Sun Apr 26 01:59:28 EDT 2015


I am using it with my KX3 in Kona, Hawaii. Works well but not quite as well
as the MFJ 17 foot vertical. Easy to tune but I tune the Alexloop and then
finish with the antenna tuner in the Kx3. I cannot get the SWR down by
using the Alexloop cap alone.
Bob K7VO

On Sat, Apr 25, 2015 at 1:27 PM, Frank Krozel <kg9hfrank at gmail.com> wrote:

> Fred,
> Pretty interesting calculator - I have not seen that before.
> It is interesting how much better an antenna I can have on 40 meters if I
> go from 9’ to 12’.
> Hmmm.
> Anyone tried a slightly larger loop for an Alexloop?
> Frank KG9H
>
>
>
> > On Apr 25, 2015, at 2:58 PM, Fred Jensen <k6dgw at foothill.net> wrote:
> >
> > I don't have a KX3 but don't know how that would matter.  I do have an
> AlexLoop, replaced a BuddiePole [about the same price], and it works super
> with my K2.  KAT2 has to be bypassed because the loop *must* be exactly
> resonant, but I really like the loop.  It's on the edge of too small on 40
> and the tuning is quite touchy, but 10 MHz and up it's a snap.
> >
> > http://www.66pacific.com/calculators/small_tx_loop_calc.aspx has a
> calculator for octagonal mag loops.  You might need to adjust the size of
> the coupling loop if you make the resonant loop bigger.
> >
> > BP weighed in at 17 lbs, AL is 1.6 lbs.  Don't know exactly how many "dB
> advantage" that is, but it's a lot if I'm hiking uphill.  AL sets up in
> about 5 min.
> >
> > 73,
> >
> > Fred K6DGW
> > - Northern California Contest Club
> > - CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
> > - www.cqp.org
> >
> > On 4/25/2015 7:33 AM, Frank Krozel wrote:
> >>
> >> Curious if anyone has been experimenting with a KX3 and an Alexloop.
> >>
> >> I have been using mine for about 6 months - love it.
> >>
> >> Don’t use the tuner in the KX3 though as the manual says...
> >>
> >> Wondering if anyone has made the loop larger to cover 60 meters?
> >>
> >> Frank KG9H
> >
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