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Old 11th June 2008   #12
John Willett
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Quote:
Originally Posted by Jim vanBergen View Post
-Use the highest quality cable, RG8, 75ohm, and the shortest run.
Agreed on quality - BUT - every radiomic. I know user 50-Ohm cable. 75-Ohm cable is for video.

Unless it's a very odd radiomic. you must use 50-Ohm cable.

The thin stuff is RG58 - the signal loss down this cable is about 5dB every 10-metres at around 850MHz - so keep it SHORT.

The better cable is RG213 - this is about 1/2" thick - but the insertion loss is only about 2dB per 10-metres at around 850MHz so you can go longer.

I hope this helps.

But *DON'T* use 75-Ohm cable.
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