What type of coax for antenna feed line?

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Bear
Posts: 1
Joined: Fri May 04, 2018 12:07 pm

What type of coax for antenna feed line?

Post by Bear » Fri May 04, 2018 12:22 pm

I'd appreciate your advice as to which type of coax I should use for my antenna feed line (Rx only).

I have a beverage antenna and I need to run a feed line from the antenna transformer to my SDR receiver about 30 metres away. Most of the cable will be buried just below the turf, but about 5 to 7 metres of it will be above ground.
Since my antenna will be used only for HF, would I be right in thinking RF losses would be quite low over 30 metres, even with a cheap coax?
My other concern is about the feed line acting like an antenna - especially the part that is above ground. Would a cable with better shielding reduce that risk or should I just buy cheap RG58 coax and put a ferrite choke on the feed line before the receiver?

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