WE saw this recently here,
The FCC and FAA sent a crew of about 10 perrsons to hunt down some rogue
emissions that were afecting the local FAA Weather Radar. They were
here for about 2 weeks.
The local radar operated in 5610, had a rx opening from 5580 to 5640.
The gain of the Weather antenna was 70db and the rx thershold -110, so
imagine how a stray radio would interfere!
They had a field day with local wispa using non FCC DFS Aproved gear in
the band!
They even got some stats on Canopy gear not trigerring correctly to the
radar signature!
They were going to Motorola with the info gathered here
Gino A. Villarini
[email protected]
Aeronet Wireless Broadband Corp.
tel 787.273.4143 fax 787.273.4145
-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Scott Carullo
Sent: Tuesday, April 21, 2009 10:52 AM
To: WISPA General List
Subject: Re: [WISPA] DFS Radar Question
You don't think your active transmitter can affect their weather radar?
NOT
Just because they have their gain tuned such that they can't hear a
reflection off a baseball in your area doesn't mean your signal won't
come booming in for them :)
Mostly weather radar... And - remember - its just not the news
stations
in your area with radars // military installations, government
establishments, airports, NOAA etc... the list goes on.
Scott Carullo
Brevard Wireless
321-205-1100 x102
-------- Original Message --------
From: "Kurt Fankhauser" <[email protected]>
Sent: Tuesday, April 21, 2009 10:46 AM
To: "WISPA General List" <[email protected]>
Subject: Re: [WISPA] DFS Radar Question
Is it military radar or weather radar that operates in these bands? If
it
is
weather then we are lucky around here, our county is smack dab in the
middle
of the "out of range zone" for 3 different weather radars by about 60+
miles
each. The National Weather Service is really interested in storm
spotters
in
this area because of the lack of radar coverage.
Kurt Fankhauser
WAVELINC
P.O. Box 126
Bucyrus, OH 44820
419-562-6405
www.wavelinc.com
-----Original Message-----
From: [email protected] [mailto:[email protected]]
On Behalf Of Tom DeReggi
Sent: Tuesday, April 21, 2009 10:13 AM
To: WISPA General List
Subject: Re: [WISPA] DFS Radar Question
The only good answer to combat DFS is to use directional PTP antennas
with
good F/B ratios.
I'd give 5.4G back to the FCC in a heartbeat, if they gave us 5.3Ghz
back
without DFS and low power requirements.
If you ask me.... Either 5.3 radars or 5.4 radars should be forced to
upgrade to the other band, and free up the other :-)
Tom DeReggi
RapidDSL & Wireless, Inc
IntAirNet- Fixed Wireless Broadband
----- Original Message -----
From: "Adam Goodman" <[email protected]>
To: <[email protected]>; "WISPA General List"
<[email protected]>
Sent: Monday, April 20, 2009 4:51 PM
Subject: Re: [WISPA] DFS Radar Question
I had some trouble with radar (think it was radar) last year.
Interferences could be from many sources. It sa problem because you
can't just go sit there for a couple of weeks with a spectrum analyzer
listening for noise. It would be nice if there was a reasonably priced
logger. Or with Internet connectivity. All this is probably a pipe
dream as I have never seen anything with such functionality.
On Mon, Apr 20, 2009 at 4:37 PM, Scott Carullo
<[email protected]> wrote:
Anyone know of a radio that can just listen passively and scan
through channels and report back on radar signals heard on what
frequencies?
That
would be a great tool to have to scope out certain areas of interest
to
know ahead of time what radar DFS issues might be present...
Scott Carullo
Brevard Wireless
321-205-1100 x102
-------- Original Message --------
From: "Blair Davis" <[email protected]>
Sent: Monday, April 20, 2009 4:30 PM
To: "WISPA General List" <[email protected]>
Subject: Re: [WISPA] Gell Cell?
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