The problem has nothing to do with grounding.
RF is getting into the house wiring. I suggest adding a choke balun at
the feedpoint of the antenna to reduce "RF in the shack" and wrapping
the power cord of the TV around a ferrite rod, toroid or bead for
several turns. Google K9YC's RFI tutorial for details.
OCF dipoles are very bad for RF in the shack due to the degree of unbalance.
Radio Shack used to sell little square ferrite toroids that split apart
so you can wrap wires around them without interference from plugs, etc.
73,
Vic, 4X6GP/K2VCO
Rehovot, Israel
http://www.qsl.net/k2vco/
On 26 Sep 2015 20:41, [email protected] wrote:
On 40m my TV turns off and on by itself when I transmit. I'm thinking that
it's related to grounding because I've not figured that out yet. I have a
roof mounted mast that holds my dipole. The coax comes down through the
roof, routes through the attic down inside the wall to the station. I've
been told I need to ground the feedline BEFORE it enters the house but I'm
not sure how to get a ground correctly up to the roof. No matter how I run
the ground a lightning strike would likely ignite my house inside the attic
if I run it inside the house. I have a low pass filter installed just
before/after the Rig.
The plan I'm thinking of so far.
1. Run an 8 gauge dedicated power feeder from my main panel (on the
opposite side of the house) to the shack with a 20A breaker. The 8Ga is to
lower ground losses.
2. Install a ground rod outside my shack and run a heavy gauge to the
shack to bond with the dedicated power line ground.
3. Ground all gear in the shack to the dedicated power ground.
4. ?? maybe do a run of 14-2 romex with all three leads bonded together up
to the mast, install a mast antenna switch and ground it with the 14-2.
Thoughts /comments?
Running only 100w into a Buckmaster 7 Band OCF dipole at 35' per the
instructions. The dipole is broadside to 45 degrees for EU coverage.
Thanks in advance. I've read A LOT on grounding but haven't seen this
scenario covered.
On another note I appear to have an allergy to my key. I just can't bring
myself to get on the air with it. I need the practice to get my speed.
Jerry Moore
AE4PB, K3S - S.N. 010324
An Amatuer is - Considerate, Loyal, Progressive, Friendly, Balanced, and
Patriotic.
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