Subject: Re: [WISPA] fm towers
FM kills Ethernet. Inductors - Period. Set to 10 Mbps until then.
Brad H
On 3/30/07, Edward J. Hatfield III [EMAIL PROTECTED] wrote:
Nearly 40 dB of variations in the link S/N ratio? Holy cat crap,
Batman!
How accurate is the test equipment yielding
How many watts is the FM station emitting? I have seen FM towers where
wireless in any frequency just won't work due to the mass amount of wattage
being radiated.
Mac
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of [EMAIL PROTECTED]
Sent: Friday,
Internet Service Providers Assoc.
[mailto:[EMAIL PROTECTED]
Sent: Saturday, March 31, 2007 8:52 AM
To: WISPA General List
Subject: RE: [WISPA] fm towers
You could try replacing your CAT5 with shielded CAT5 cable and shielded
RJ-45 connectors.
Just my two cents worth
Ty Carter
Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Edward J. Hatfield III
Sent: Saturday, March 31, 2007 12:06 PM
To: 'WISPA General List'
Subject: RE: [WISPA] fm towers
Yikes-my bad! Apparently the S/N number under discussion is being
calculated, not actually measured
:
Subject : RE: [WISPA] fm towers
We had a 7000 watt radio station move onto one of our colo cell tower sites.
They turned up the transmitter and we lost Ethernet connectivity to our
radios immediately. We replaced the outdoor non-shielded Ethernet cable
with shielded and even ran
Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of [EMAIL PROTECTED]
Sent: Saturday, March 31, 2007 12:39 PM
To: wireless@wispa.org
Subject: RE: [WISPA] fm towers
Does your lease agreement not have a first in clause? Something
to make the radio station liable for taking
Nearly 40 dB of variations in the link S/N ratio? Holy cat crap, Batman!
How accurate is the test equipment yielding that measurement? SNR variations
of 40 dB means four orders of magnitude in signal levels relative to the
noise floor, a 10,000:1 change in the power ratio. No wonder the bloody
FM kills Ethernet. Inductors - Period. Set to 10 Mbps until then.
Brad H
On 3/30/07, Edward J. Hatfield III [EMAIL PROTECTED] wrote:
Nearly 40 dB of variations in the link S/N ratio? Holy cat crap, Batman!
How accurate is the test equipment yielding that measurement? SNR
variations
