George, another thing that tends to throw up picket-fence interference is a
group of the "DTV" converters sold by Best Buy and others to folks with
rooftop TV antennas.
The APEX brand is one such; it can be heard on a good radio several rooms
away. Methinks it's radiated hash going up the TV coax to the rooftop
antenna.
Mark Durenberger
On the road
-----Original Message-----
From: George Sherman
Sent: Saturday, June 02, 2012 3:28 AM
To: [email protected]
Subject: [IRCA] Sorry, some of my carriers were local noise
My apology for that. I still can't tell which ones, so from now on I won't
report something unless I hear audio or think I hear audio. I will not use
my DSP-599zx anymore until I get a better AC adapter. I have powerline buzz,
probably a little cable noise, maybe I could even get faint noise generated
inside the R75 or it's big brick adapter. It's amazing how many carriers not
from stations I was getting within 50 Hz of TA/TP/DU freqs, different
directions, strengths. I will try to note the tone frequencies more
precisely during day when they're all fake stations.
I was using a Eton E1 w/8" Quantum loop, both on batteries which sometimes
brought noise levels down and I think at least reduced the number of
carriers from other stuff. But they're sort of falling apart now. I don't
have anything with a 1 HZ readout & get a little confused how to set the
dual passband tuners when using USB or LSB to get the best frequency
estimate. I really just concentrated on LW this last season, no super splash
or IBOC. 73, George S., MN
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