I do agree that the radio, the amp should be connected to the power
source negative as "ground". As to connecting to mother earth, it is
the antenna that works against earth. Thus if you are using a center
fed dipole, no mother earth connection is needed. If you are using an
OCFD antenna, a good balun plus a common mode choke at the feed point
plus a common mode choke before the amp/radio is required. If you are
using a vertical or inverted L, then a real ground system with radials
is required for the antenna to work against. If you are using a random
length of wire thus end fed, then a real ground system is needed. A
single driven ground rod IS NOT a good ground system for any antenna.
As to grounding the radio and amp...............nah, not needed if all
else is correct.
73
Bob, K4TAX
On 6/11/2018 4:09 PM, Smedes, Tad - Comcast wrote:
I am planning to use my KX3 and KXPA100 powered by Budipole PowerMini
and LiFEPO4 battery for field day this year and have a question about
grounding. When I am using them both at the home station they are
grounded to each other and every other piece of equipment in the shack
using a ground bar and copper straps. When I use my KX3 by itself
mobile I have never grounded it and never had an issue. Is there
anything special that I need to do do when I hook the KX3 to the
KXPA100 while mobile, and what is it? and or what do the rest of you
do when running mobile with a KX3 and KXPA100 for grounding?
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