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Re: [CQ-Contest] RES: ELCTRICAL POWER NOISE SNIFFER

To: "py5eg" <py5eg@iesa.com.br>, <cq-contest@contesting.com>
Subject: Re: [CQ-Contest] RES: ELCTRICAL POWER NOISE SNIFFER
From: "David Thompson" <thompson@mindspring.com>
Reply-to: David Thompson <thompson@mindspring.com>
Date: Wed, 6 Jul 2011 18:27:49 -0400
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com>
MFJ makes a commercial version of the sniffer that was in QST several years 
ago.  Uses the 135 mhz AM air band.  They have two models but I suggest the 
one with a 3 el beam.  I plan on replacing my old homebrew sniffer that does 
not work any more.  I borrowed one last year and it works much better than 
the QST homebrew version.

MFJ will sell overseas and HRO does too.

MFJ-856  with 3 el beam and air band all on a stick with handle  $159.95 
USD.

MFJ-852  uses a dipole.  $119.95 can be up graded later with the beam.

Has a meter to indicate strength and at 135 mhz if its loud you are near the 
source.

73 Dave K4JRB 


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