[Elecraft] KAT100 and external watt meter question

Fri Jan 31 18:02:54 2003

A (dumb) question:

How can one calculate the actual loss, given the SWR, cable length and cable
loss/ft at working frequency?

73, Bole - 9A3RR

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of George, W5YR
> Sent: Friday, January 31, 2003 6:47 AM
> To: Stuart Rohre; Glenn Maclean; [email protected]; Tom Hammond
> Subject: Re: [Elecraft] KAT100 and external watt meter question
>
[snip]
> Try the same thing with RG-213, though,  and although you will see
> about the same SWR  (about  11:1 for the same load Z), the power loss
> soars to 10.3 dB and the efficiency drops to only 9.33%. Here a high
> SWR is something to be concerned about because of the excessive line
> loss it produces in a line unsuited to the application.