[BC] Unique Arrays - (Update)

[Mark Durenberger]

I think there's one of those low-end short tower arrays in Craig Colorado 
(KRAI).  I also seem to recall passing one somewhere in the Plains States 
(could it have been Salina Kansas?)

Mark Durenberger


----- Original Message ----- 
From: "PeterH5322" <peterh5322 at rattlebrain.com>
To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
Sent: Saturday, June 03, 2006 5:23 PM
Subject: [BC] Unique Arrays - (Update)


>
> >> WHYN uses a 3 tower DA-1 5/1 inline array with short towers,
> >> marginal RSS/RMS design and rather deep nulls. Getting good
> >> bandwidth on that at  560 khz is always the most challenging
> >> of "unique problems".
> >>
> >
> >LOL, "unique" I guess. The towers are barely over 50 deg and
> >top loaded. The #3 should be a VERY interesting base Z. <g>
>
> With 63.5 degree radiators, and a day and night RMS efficiency of 291.29
> mV/m/kW at 1 km, it appears a little "squishing" is being done here.
>
>
> Update ...
>
> Also with short (66 degree) towers, and also with 90 degree
> tower-to-tower spacing, and also on 560 KHz, but with four towers instead
> of three, is KLVI.
>
> A somewhat similar pattern, and definitely employing substantial
> "squishing", KLVI enjoys an RMS efficiency of 349.27 mV/m/kW at 1 km ...
> nearly Class A efficiency ... from those short towers.
>
> Perhaps CC should add one tower to WHYN, upgrade to whatever/whatever kW
> DA-1 (currently, it is identified as DA-2, but its day and night array
> parameters are identical, while only the day and night powers are
> different), and fully "squish" this array.
>
> Might get all the way to Hartford, Providence and New Bedford that way.
>
>
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