One thing to try is an old-fashioned lowpass filter, such as used to be
common as a measure against TVI. If the problem is caused by the TV/FM
signals, this should help.
The K3's t/r switch can be overwhelmed by massive signals. I had such a
problem with a 50 kW AM BC station that's visible from my antenna. I
solved it by switching from vertical to horizontal polarization, but a
high-pass filter also worked.
73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/
On 18/02/2020 18:29, Andreas Wachter via Elecraft wrote:
I live about 1.6 miles from some tall antenna towers broadcasting
digital TV (KBCB) at 208 kW ERP on channel 19 (500 - 506 MHz) and on
FM (KWPZ-FM) at 63 kW ERP on 106.5MHz - according to FCC info on KBCB
and KWPZ-FM. Ever since I moved to this QTH a few months ago, I am
unable to use my K3: solid S9+ noise on all bands using a makeshift
dipole strung up on some trees outside my house. I’ve tried to locate
the source of the RFI within my home but so far have been unable to
locate any RFI emanating from within my home. Could it be that the
TV/FM stations antenna towers, which are within direct line of sight
from my house, might be responsible for the RFI?
73, Andreas
K6AKW ______________________________________________________________
Elecraft mailing list Home:
http://mailman.qth.net/mailman/listinfo/elecraft Help:
http://mailman.qth.net/mmfaq.htm Post:
mailto:[email protected]
This list hosted by: http://www.qsl.net Please help support this
email list: http://www.qsl.net/donate.html Message delivered to
[email protected]
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[email protected]
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to [email protected]
