Unfortunately, we are secondary users in the 70 cm band.
Part 97.301 )b states: Amateur stations transmitting in the 70 cm band,
the 33 cm band, the 23 cm band, the 9 cm band, the 5 cm band, the 3 cm
band, or the 24.05–24.25 GHz segment must not cause harmful interference
to, and must accept interference from, stations authorized by the United
States Government in the radiolocation service.
-W9RM
Keith J Morehouse
Managing Partner
Calmesa Partners G.P.
Olathe, CO
On Wed, Apr 17, 2019 at 4:40 PM K7XC Tim Marek <k7xcnv1@gmail.com> wrote:
> Good Morning Folks,
>
> I have lived in Northern Nevada since 1977 and current reside in Silver
> Springs, DM09jh.
>
> This morning was getting ready to resume tuning a new 20 ele 222 yagi I
> finished building yesterday. Popping thru the memories on the IC706mkIIg IF
> rig as I passed 432.100 SSB only to find it being jammed with some
> wide-band digital signal.
>
> Looking at the interference I found the ENTIRE UHF BAND from 422MHz to
> 449MHZ being Jammed with suedo random Pulses that change in (1) Frequency,
> (2) Amplitude, & (3) Duration.
>
> Applying 20dB of attenuation I swept the Horizon from South through West,
> North, East, and finally South. The Offending signal peaks around due east
> which leads me to believe it is originating from either Fallon Naval Air
> Station, Fallon NV or further East on the Fallon Tactical & Training Range.
>
> I have heard all manner of strange signals from them over the years but
> this is the first time they have laid waste to an ENTIRE Amateur Radio
> Band!
>
> These signals are loud enough they should be heard for Hundreds of Miles!
>
> If you have a UHF system fire it up and see if you can hear the racket
> being generated from the Fallon EW Range, Due east of Fallon NV in central
> DM09.
>
> I'm plan to contact one of the officials on the EW range where I used to
> work to report this.
> It would help I had reports from others as well to show them how offensive
> this is.
>
> Thanks & 73s de Tim - K7XC - DM09jh... sk
>
> Adapt, Overcome, Succeed!
> _______________________________________________
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>
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