Re: [IRCA] Tower height vs power

[Scott Fybush <scott@xxxxxxxxxx>]

Patrick Martin wrote:
> Thanks Patrick. Interesting, when 620 Portland left the towers in North
> Portland to be diplexed with KEX 1190 (200'), the coverage dropped quite
> a bit. CC then applied for 25/10 KW for 620. They now have the best
> signal of any Portland area station on the coast except for KEX 1190 (50
> KW) nights. The strongest day signal is 620 followed closely by 860
> KPAM, then KXL 750. 

Those KEX towers are no 200-footers! They're 455 feet each, which is 102 
degrees (0.28 wavelength) at 620 kHz. At 1190, they're 196-degree 
towers, which is just over half-wave.

The KEX towers are big, fat old Blaw-Knoxes, too, which means that 
they're extremely wide-bandwidth. If not for the IBOC, they'd produce 
really nice-sounding audio :-)

s
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