[BC] Closest-frequency AM diplexes

[Robert Meuser]

Dan:

Lack of loudness has nothing to do with the combiner, which was replaced in the 
early 90s.  CBL had the same problem and used it as an excuse to migrate to FM. 
  The new occupant of 740 installed modern processing and got a great 
improvement in loudness and coverage.

R

Dan Strassberg wrote:
> Gary Blau wrote:
> 
> I always thought the 660/880 stick in NYC was pretty darn tight,
> percentage BW wise.
> 660's upper sideband VSWR went to hell pretty fast above 1Kc.
> ---
> 
> 880-660/880 = 25%. Toronto has had the 740/860 diplex (13.95%) for probably
> about as long as New York has had the 660/880 diplex. All four stations are
> 50-kW ND-U, but has CJBC ever discovered... modulation??? There must be many
> 5 kW AMs (even high up on the dial) that cover better than CJBC
> does--because of CJBC's near-total absence of audio. Unless something has
> changed, CJBC's average modulation must run around 15%. Someone on this list
> once described Toronto's Francophone 860 as North America's least-listened
> to Class A AM signal. Given the lack of loudness on 860, I can believe that
> that could be the case even if Toronto had a large percentage of French
> speakers--which it doesn't.
> 
> --
> Dan Strassberg, dan.strassberg at att.net
> eFax 707-215-6367
> 
> 
> 
> 
> 
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