Transponder antenna installations
Correcting myself - the 1/4 and 1/3 figures were a straight comparison
of the dB loss per 100 feet, which is wrong. The correct figures are
that LM240 has 20% of the attenuation of RG-58 at 1 GHZ, while LM300
has 13% of RG-58.
-John
On Feb 6, 12:57 pm, jcarlyle wrote:
JJ, please don't use RG-58 for a transponder cable - it has very high
attenuation per foot. Times Microwave LM240 is a much better choice,
with only 1/3 of the attenuation of RG-58 at 1 GHz. I usually use
Times Microwave LM300, with only 1/4 the attenuation of RG-58, but it
has double the diameter. Both of these cables have a greater than 20
year life outdoors.
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