Re: Fwd: Re: RE: Sunday Globe Magazine article on Jerry Williams

[dan.strassberg@att.net]

The stations you mentioned _were_ clear-channel stations-
-but were IB clears not IAs. The IAs were nonduplicated 
at night in the 48 contiguous states and (with one 
exception) Canada. The one exception was KFI and the 
reason it was an exception is that Newfoundland, which 
is where the other legacy occupant of 640 is, wasn't 
part of Canada until after NARBA (the North American 
Regional Broadcast Agreement) took effect on March 31, 
1941.

There were two IBs (as well as secondary stations) 
operating at night on most of the US IB channels. 
Exceptions were 680, 850, and 1540, which had only one 
Class IB occupant in the US, and 1130, which had two in 
the US and one in Canada. 1540 was (and still is) shared 
between the US and the Bahama Islands. The Bahamas was 
late in making full use of its clear channel, however, 
with the result that the US added a number of secondary 
stations on 1540 (WPTR is one such). As a consequence, 
ZNS-1 is directional to protect the US mainland.

The Mexican border blasters, including Wolfman Jack's 
legendary XERF 1570, subsisted completely on per-inquiry 
advertising aimed mostly a people in sparsely populated 
areas of the US south and southwest. Besides XERF, other 
border blasters (most of which used more than 50,000 
watts at night) were on 800 and 1050.
--
dan.strassberg@att.net
617-558-4205
eFax 707-215-6367
>  I did state that these are just SOME of the stations
> operating at night on 1030 khz, and focussed on those
> in the middle of the country straddling the great Mississippi.
> 
> BTW, I wonder how many advertising buys were made on
> clear channels 40 or 50 years ago based on their really
> distant states.  I bet some national buys were made on
> non-clear channel ouitlets like WWVA, WOWO, KOA etc
> because they reached REGIONS, rather than claiming they reached
> nearly the whole country.--
> 
> --------- Forwarded Message ---------
> 
> DATE: Sun, 16 Jun 2002 17:59:02
> From: "Dan Strassberg" <dan.strassberg@att.net>
> To: <lglavin@lycos.com>, <boston-radio-interest@bostonradio.org>
> 
> You left out the oldest, though I think it only recently became a fulltimer.
> That's in Corpus Christie TX. It's been 50-kW-D forever but recently added 1
> kW-N. And there's a 50 kW-ND-U in Mexico City, which probably does more
> damage to WBZ than any of the US stations--provided the US stations keep
> their patterns in adjustment and actually switch to night power and pattern
> when they're supposed to. Several have reputations for not doing so.
> 
> Also, WBZ's signal in Chicago is legendary, but WNVR, the 1030 station in
> Vernon Hills, IL (a Chicago suburb) was just granted night power (I forget
> how much, but I think it's several tens of watts). WNVR remains a class D
> and it's directional at night to protect WBZ. However, WNVR's application
> shows some overlap in Ontario between its 0.025 mV/m 10% skywave and WBZ's
> 0.5 mV/m 50% skywave. In the US, the contours are tangent to each other at
> one or two points. WNVR's night service is the result of the FCC redefining
> the formulas used for calculating Class A stations' nighttime-skywave
> coverage. If you look at the exhibits in WNVR's application, you will see
> that the FCC now says that WBZ's 0.5 mV/m 50% skywave doesn't even make it
> into Indiana. Frankly, I think that's baloney, but Mel has other fish to
> fry. I doubt that WBZ could show that it has lost any revenue as a result of
> the stations that operate at night on 1030.
> 
> 
> 
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