[BC] FM IBOC Real life Interference examples

Paul Paterson paulp at paulp.com
Wed Oct 31 12:47:53 CDT 2007


KVMR filed a complaint with the FCC containing about 300 listener 
complaints, mostly outside the 60dbu but some 
inside.  Denied...They're in spec.
We are a rimshot in to Sacramento, and the offender is KQEI on the 
next channel over and short-spaced.  They have recently applied to 
add horizontal polarization to their existing vertical. My guess is 
we interfere with them, too, but they have their mothership to fall back on.
feh!

Paul Paterson, CE
KVMR-FM 89.5


At 08:13 PM 10/30/2007, you wrote:


>Hi folks,
>
>In a continuing effort to sort out what is happening to analog when an
>adjacent IBOC goes on the air I am again asking for your help.  If you know
>of any analog FM stations that are receiving "real" interference from a
>station IBOC, I would like to know about it.  I am particularly interested
>in interference that may be caused within the normally protected 60 dBu, but
>reports of interference outside the 60 dBu will also be welcomed.
>
>Thanks.
>
>Doug
>
>Doug Vernier, Telecommunications Consultants
>V-Soft Communications
>WWW-V-Soft.com
>319 266-8402
>K0DV
>
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