[CQ-Contest] RES: ELCTRICAL POWER NOISE SNIFFER
David Thompson
thompson at mindspring.com
Wed Jul 6 15:27:49 PDT 2011
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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