Re: [IRCA] KKOB Santa Fe
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Re: [IRCA] KKOB Santa Fe



I thought the KKOB-AM-1 was 1KW?

Paul


On Wed, Oct 29, 2008 at 11:54 AM, John Callarman <JohnCallarman@xxxxxxx>wrote:

> Noted an interesting problem for KKOB while on our way out of Santa Fe
> Tuesday morning, where we'd spent the night with a brother-in-law on our way
> back from Arizona. A dominant cyclical sound from what appeared to be a
> subaudible heterodyne, presumably from the synchronized 230-watt transmitter
> on the west side of Santa Fe. (NRC log says night-time only, but FCC data
> base shows as unlimited.) I counted the cycles ... 120 in 60 seconds,
> indicating, if my fuzzy understanding of SAHes is accurate, that the Santa
> Fe transmitter and the Albuquerque transmitter are 2 Hz off. It was
> extremely annoying, and and carried as far south as milepost 277 on US 285,
> about 25 miles from the Santa Fe transmitter.
>
> I had heard a similar effect 25 to 30 years ago when I was at WMIX-940,
> weather knocked off the daytime transmitter, and we switched to the
> night-time facility. When the power went back on at the daytime transmitter
> site, the combination gave the same cyclical, wobbulating effect.
>
> My SAH assumption, though, may be wrong, if the effect was caused by the
> difference in distance between the two transmitters. Engineering
> knowledgeable people may set me straight on this.
>
> The bottom line, though, would seem to be that the product of the two
> transmitters would make KKOB's programming unusable within a 25-mile radius
> of the Santa Fe transmitter.
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-- 
Sincerely,
Paul B. Walker, Jr.
www.onairdj.com
walkerbroadcasting@xxxxxxxxx
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