A new VHF paging system just was installed near here in the
last few weeks.
Rich wrote:
>
> 155.820
> BEND, CITY OF WNNU934
> 100 watts Overturf Butte (Bend)
> 100 watts Awbrey Butte (Bend)
> 300 watts Wampus Butte (La Pine)
> 300 watts Gray Butte (Madras)
VHF paging is apparently here to stay - whether we like it or not.
Neil - WA6KLA
Dan Hancock wrote:
>
> We had exactly the same problem in Ann Arbor. The
> pagers were exactly 600 kz apart and up in the 158 Mhz
> segment. We installed notch filters and sharp
> band-pass filters on the repeater with some success.
> Nothing kept it our entirely. I was about to try a
> crystal filter on the front end when the interference
> just ended. One of the transmitters was taken off the
> air. Note though in our situation, the pagers were
> there first.
>
> I can't imagine in this day and age, with the death of
> VHF paging being on the near horizon, why anyone would
> put up a NEW VHF paging transmitter. However,if one of
> these pager transmitters is indeed a new installation,
> it may be possible to force them off the air. I can't
> quote the section, but the FCC told me one time in a
> different interference situation that a new or changed
> transmitter operation it totally responsible for
> solving interference related to their transmitter
> within 5 miles of their transmitter, even if their
> transmitter meets specs. This rule might possibly just
> apply in this situation. They have installed a new
> operation that produces an uncurable mix that wipes
> out your operation. That mix could be occurring in
> your transmitter, your receiver, one of the paging
> transmitters, someone else's transmitter, etc, etc,
> etc. I would suggest that you immediately contact your
> nearest FCC field office and discuss this with them. I
> wish I could give you the section, but the engineer
> who told me about it never actually quoted the
> section.
>
> Good luck.
>
> Dan Hancock N8DJP
> President, RADAR Inc.
> www.qsl.net/wr8dar
>
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