[RFI] small CMC

David Hale astronomerdave at gmail.com
Tue Apr 5 23:06:37 EDT 2022


On Tue, Apr 5, 2022 at 7:39 PM Jim Brown <jim at audiosystemsgroup.com> wrote:

> On 4/5/2022 4:36 PM, David Hale wrote:
> >
> > So if I have an EFHW, which has a 49:1 transformer, on the
> transceiver-side
> > of that transformer is low SWR. What I have now is a length of coax that
> > goes to the transceiver.
>
> Yes, that's where the choke goes -- right where the coax connects to the
> transformer.
> > Some people might suggest a counterpoise, others
> > might suggest a length of coax and let that be part of the antenna.
>
> And I am one of them.
>

One of which group, counterpoise or radiating coax?


>
> > I kind of wanted that length of coax to not be part of the antenna.
>
> I agree. And I am one of those who would add counterpoise or radials.
>
> 73, Jim K9YC
>

Ah, okay, so this sounds like you are either-or, yes? Either add a
counterpoise, or a length of coax then a choke (then presumably another
length of coax to transceiver)?

Dave


More information about the RFI mailing list