I remember seeing a chart somewhere that listed cable loss vs. SWR into an open (or was it shorted?) coax. Just open or short one end, measure the SWR, plug that value and the length into the chart to read the loss. Admittedly, this would be difficult for a cable already installed, but it would be an easy way to check an unknown piece in the junk box.

Anybody remember where that chart was published?

73, Charlie k3ICH


----- Original Message ----- From: "bill conkling" <[email protected]>
To: "Joel Black" <[email protected]>
Cc: "elecraft" <[email protected]>
Sent: Tuesday, November 12, 2013 7:16 AM
Subject: Re: [Elecraft] OT: Checking coax jumpers before soldering


I have used 50 ohm BNC 'terminators' with adapter to verify coax. Start with terminator on analyzer, should be flat VSWR over wide band. When at other end of coax should be same.

...bill nr4c



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