[50mhz] Coax choice for 6 mtrs?

Gary - N3JPU n3jpu at speakeasy.net
Mon Apr 24 21:09:09 EDT 2006


I'm sure you'll get varied responses. Personally I run hardline and will be
stepping up from 1/2" to 7/8" this spring, I will have a 75' run to a pair
of stacked 7 elements. For me it does make a big difference on receive to go
with the best coax you can. The better shielding is also very helpful.

With say 1/2" hardline (which can be found new for $.60 foot) a 75' run is
.347dB loss, RG-8X would be 1.875dB, over 1.5dB of extra loss.

Depends how serious you are for 6M and if you want to eek out those real
weak ones that most other can't hear. I like to play around with 6M EME so
every little bit helps and could make or break a contact.

Gary Mitchelson
N3JPU Montgomery Co. MD  FM19
USAF MARS and SHARES: AFA1PU/AFF1MD/AFF1M 
http://www.mitchelson.org/ 

-----Original Message-----
From: 50mhz-bounces at mailman.qth.net [mailto:50mhz-bounces at mailman.qth.net]
On Behalf Of 73.de.EM12
Sent: Monday, April 24, 2006 20:40
To: 50 MHz Reflector
Subject: [50mhz] Coax choice for 6 mtrs?


I have a 50-ft. coax run from transmitter to antenna.  Coax choices
available to me are RG-8X or RG-213/U, both of equal manufacturing quality.

The cost of the RG-213/U is roughly double that of the RG-8X.

My question:
Does the performance of RG-213/U -- At 50MHz -- justify its double cost?

73,
KC5AN
John in TX

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