Re: [IRCA] Station #500!

[Nick Hall-Patch <nhp@xxxxxxxx>]

Too big?   Never say that.

John Bryant ran some supersized Ewe antennas, for example 70 feet 
high by 100 feet horizontal at Orcas Island, but it suffered from 
grounding difficulties insofar as nulling was concerned compared with 
a Wellbrook array.  I can't find any reference that he ever tried it 
as a Superloop.

When he ran one closer in size to what you're doing in Oklahoma (27' 
high by 100' horizontal) over a good ground, he was suitably 
impressed, so I suspect the loop version will do you fine.

This is based on e-mails exchanged.  I can't find any formal 
articles, at least with a brief search.  Seems odd, as John was a 
great documenter.   Perhaps someone else can point us in the 
direction of a formal article.

At any rate, I'd say that you should run with the big 'un.   It might 
be good to run a smaller one too if you can, as my own experience 
with a larger one was that the nulls weren't as good as a smaller 
one, but that was queered by being on a city lot, and one end of the 
Superloop being very close to the house and its electrical wiring.

best wishes,

Nick


At 12:11 18-04-15, you wrote:
> What's the consensus on Superloop size for MW?  We're about to head 
> into the Utah desert for our annual antennaphoolery and had planned 
> a 125 ft x 30 ft version.
>
> Too big?
>
>
> Cheers!
>
> Mark Durenberger
>
> -----Original Message----- From: Brian Rachford
> Sent: Saturday, April 18, 2015 4:06 AM
> To: Mailing list for the International Radio Club of America
> Subject: [IRCA] Station #500!
>
> My 7' x 24' corner-terminated Superloop has been performing well, and
> thanks mostly to many broadband SDR recordings, I've been logging quite a
> few new stations this month.  I had the loop set up pointed 150 degrees
> into Mexico, and fittingly my 500th station was indeed Mexican, 600 XEHW,
> Mazatlan, Sinaloa.  (Although the Instituto Federal de Telecomunicaciones
> list the city as Chametla, the final version of Fred Cantu's list as well
> as the station itself say Mazatlan.)  After getting #499 on a TOH recording
> (630 KSLR San Antonio TX), I intentionally tried to get #500 live and got
> lucky with a nice clear call for both XEHW and the FM counterpart XHHW at
> 1:04am MST (0804UT).  First Mexican on the frequency, and while I'm not
> sure who to believe as far as the transmitter location, this was something
> like 880 miles away at allegedly 1kW.  I was also getting 1050 and 1180 out
> of La Paz, BCS across the Gulfo from Mazatlan.
>
> Wasn't sure I would get this far after starting last August, but I'm still
> enjoying this and it's much better than I ever did when I was DXing way
> back in high school.  I'll post some stats later and audio, but one quick
> stat is that I have recordings of call letters from more than 400 of the
> stations.
>
> Brian Rachford - Prescott, AZ
> azswdxing@xxxxxxxxx
> http://azswdxing.wordpress.com/
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