All of the information that you will get on bonding equipment and use of
ferrites (31 mix seems best for HF) will help.
But in my opinion, the single most important thing you can do is to
reduce common-mode RF flowing on your feedline. That requires a common
mode choke at the feedpoint of your antenna, if it is fed with coax. If
your feedline does not come away from your antenna at a 90 degree angle,
it might also help to have a common-mode choke at the entry to your shack.
It's also the case that some arrangements of antenna and feedline are
more susceptible to such problems: end-fed antennas in particular are
often problematic, including verticals. A balanced antenna like a dipole
or beam is best.
If the antenna is fed with window line or open line then a true balanced
antenna tuner does a better job of reducing common mode currents than an
unbalanced tuner followed by a balun.
I hope this helps.
73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco
On 23/11/2022 0:36, Al Lorona wrote:
I'm really curious to ask those on this list who run high power:
Do you find that you get into all kinds of devices around the house?
I ran the KPA-500 in an extended manner for really the first time during the
Phone SS and immediately:
1/ interfered with FM broadcast radio.
2/ caused the internet to drop out every time I keyed up on the lower bands.
Am I the only one? Those of you who run high power all the time... how do you
deal with these annoyances?
Al W6LX/4
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