[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [IRCA] S. AZ Tuesday TP



This is good to hear. Hopefully you can find a few dB better back nulls
with some checking and tweaking. Of course make certain that the bottom
wires are a couple of feet above ground at all times when using.    73 KAZ

On Tue, Aug 16, 2016 at 11:37 AM, Steve Ratzlaff <ratzlaffsteve@xxxxxxxxx>
wrote:

> I built an E/W (null to the east) dual delta terminated KAZ loop two days
> ago, thanks to the Duremberger paper and to advice from KAZ himself, two
> days ago and have tested it the past two mornings, hoping to get some MW TP
> reception. Monday morning had terrible conditions but this Tuesday morning
> had presumed-1566 HLAZ briefly fade up to medium (easy copy) level, totally
> dominating the channel and driving the strong local Tucson station QRM down
> to inaudibility, peaking at 1250 utc. It had been poorly heard for 15
> minutes before, and soon faded away completely after that. A number of weak
> hets on other channels but nothing but HLAZ producing audio. A check with
> my previous main antenna, an active whip, had HLAZ buried in the local
> domestic AMBC QRM, so it does appear the DKAZ did what it's supposed to do.
> I'm south and west of Tucson about 15-20 miles but I couldn't erect the
> loop for best nulls that direction but I'm still seeing decent nulls. So
> I'm happy with the initial results for TP reception. I also DX LF NDBs and
> am finding this loop to be an excellent performer at LF too
>
> Steve Ratzlaff AA7U
>
> near Sahuarita, AZ (about 10 miles west in the desert)
>
> Icom R75, basic DKAZ loop (140' base, two 22' masts, #18 wire,
> potentiometer for termination, Wellbrook FLG-100)
>
> _______________________________________________
> IRCA mailing list
> IRCA@xxxxxxxxxxxxxxxx
> http://montreal.kotalampi.com/mailman/listinfo/irca
>
> Be sure to register now for the Joint DX Convention
> Kansas City, September 9 to 11.  Hotel space is filling up.
> Registration info:
> http://www.nrcdxas.org
>
>
> Opinions expressed in messages on this mailing list are those of the
> original contributors and do not necessarily reflect the opinion of the
> IRCA, its editors, publishing staff, or officers
>
> For more information: http://www.ircaonline.org
>
> To Post a message: irca@xxxxxxxxxxxxxxxx
>
>
_______________________________________________
IRCA mailing list
IRCA@xxxxxxxxxxxxxxxx
http://montreal.kotalampi.com/mailman/listinfo/irca

Be sure to register now for the Joint DX Convention
Kansas City, September 9 to 11.  Hotel space is filling up.
Registration info:
http://www.nrcdxas.org


Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers

For more information: http://www.ircaonline.org

To Post a message: irca@xxxxxxxxxxxxxxxx