An excellent idea Ron. Here is a link to a useful web site to do the
calculations. Looks like about 74 ft of RG-174 will do the trick.
http://www.ocarc.ca/coax.htm
73 Tom KE6FI
----- Original Message -----
From: "Rogers, Ron" <RR124640@Exchange.AtlantaGA.NCR.com>
To: "'Rick Stoneking'" <w2rds@arrl.net>; <vhfcontesting@contesting.com>
Sent: Tuesday, September 02, 2003 7:25 AM
Subject: RE: [VHFcontesting] Transmit Attenuator
> Calculate a length of RG-174 or RG-58 based on it's rated loss at 144 Mhz.
> Install BNC connectors and coil it up. Makes a cheap power attenuator.
> Verify the loss by measuring power output at the other end into 50 Ohm
load.
> Have done this for many a transverter and for reduced drive into high gain
> amplifiers for repeater service.
>
> Ron Rogers
> -WB8ERB-
>
>
> -----Original Message-----
> From: Rick Stoneking [mailto:w2rds@arrl.net]
> Sent: Tuesday, September 02, 2003 10:13 AM
> To: vhfcontesting@contesting.com
> Subject: [VHFcontesting] Transmit Attenuator
>
>
> I need to attenuate a 12W output (144MHz) down to 2W to drive a 903MHz
> transverter. The radio's ALC circuit does not appear to be working so I
am
> trying to find out if there is a something I can buy or build to attenuate
> the signal. Does anyone have any experience/suggestions?
>
> Thanks,
> Rick
> W2RDS
>
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