[amsat-bb] Re: Feed Line Loss @ Freq vs. Price

John Champa k8ocl at hotmail.com
Fri May 11 02:48:31 PDT 2007

UHF Series connectors used on 2M was the basis of my statement (0.25 each).
I have gotten better results than that.  That is just the estimate I used 
calculating estimated line loss ahead of actual construction of the line.

----Original Message Follows----
From: "i8cvs" <domenico.i8cvs at tin.it>
To: <k8ocl at arrl.net>,"Nate Duehr" <nate at natetech.com>,"AMSAT-BB" 
<amsat-bb at amsat.org>
Subject: Re: [amsat-bb] Re: Feed Line Loss @ Freq vs. Price
Date: Fri, 11 May 2007 04:42:32 +0200

----- Original Message -----
From: "John Champa" <k8ocl at hotmail.com>
To: <nate at natetech.com>; <amsat-bb at amsat.org>
Sent: Thursday, May 10, 2007 11:17 PM
Subject: [amsat-bb] Re: Feed Line Loss @ Freq vs. Price

 > In calculating cable run losses (that I have constructed) I use the
 > figure of 0.5 dB loss per connector.  Perhaps somebody makes them
 > better than I do, however.  (HI)
 > 73,
 > John - K8OCL

Hi John, K8OCL

0.5 dB loss per connector at what frequency ?

If you screw up togheter 6 Male/Female connectors you get
a 3 dB attenuator and with 100 watt input 50 watt are dissipated
just 50/6= 8.33 watt per connector..........too hot !

73" de

i8CVS Domenico

More information about the AMSAT-BB mailing list