Steve wrote:
It's better to get down below the rotator loop in a more flexible cable
such as RG213, and then change to the low-loss Westflex for the longer
part of the run.


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Joining the two lengths with 'N' plugs / adaptor ???

Yes - have you already discovered the special tricks for fitting N plugs
to 103, or do you need that information?

(It would be dead simple to show you, but would take a lot of words to
describe.)

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73 from Ian G3SEK 'In Practice' columnist for RadCom (RSGB)
Editor, 'The VHF/UHF DX Book'
http://www.ifwtech.co.uk/g3sek