Jim's suggestion worked beautifully here! 14 turns of CAT5 cable on a
single 2.4 #31 core works much better than the old choke with 5 or 6 turns
through four stacked 2.4 #31 cores. It eliminated the last traces of RFI
coming through my computer speakers running 700w on 75 meters.
And three more
Hello Tom,
I have Polyphaser and I.C.E. units on all my cables ( Antenna and all Control
).
I installed them in 1991 after several strikes damaged my Tranceivers.
Since then, I have had no problems.
The most important is a good Grounding System. A couple of ground rods won't
do the trick.
This is only partially true.
If a DXpedition is carefully planned, like, say, VP6DX and I'm sure upcoming
Clipperton will be, it will be heard by thousands and one needs everything
he/she has +1 dB to break through the pile-up of hundreds Europeans calling.
4SQ-ers/10K go first, then the real
On 2013-01-18, at 4:24 PM, Martin wrote:
A fellow ham has a problem with noise on 160m. The band is unusable due to
noise peaking 9+20 24/7. I think the source is a sensor lamp in his
neighbours house. The neighbour complained about the lamp switching on and
off when Lutz transmits .
I
I know this has been discussed here, please push me in the right direction.
It has been suggested that the only fix is to get rid of the lamp. That
may be true, or it might be that a serious ferrite choke on the line
cord might fix it. Either way, you've got to get the neighbor to WANT
to
About 20 years ago when I started my first trek on 160M my daughter had one of
these lamps. It destroyed TB and yes it even turned on and off when I
transmitted. I never told her what I suspected and one day she asked me to look
at it.. I decided it must be defective and bought her a brand
