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meters and sniffers:


A lot of plans you'll find online for transmitter hunting sniffers are probably unnecessary sensitive.
I think a lot of these popped up before HTs were cheap and tape measure beams were a thing. Nowadays,
what most people need in a sniffer is something that can help them identify which bush the fox is hidden
in, not to get a bearing when still driving around trying to get into the area.

Sniffers are for people that don't have an offset attenuator, or for users looking for simplicity like a wand
to wave around while they watch a meter or listen for a tone to change. Sniffers with audible feedback
are especially good for young players that are easily distracted or don't have the patience to stare at
a meter and try to work out bearings. They can also be very inexpensive and easy project to build, much
like the tape-measure beams.


KA7OEI log sniffer

RF to indicator

RF to sound

voltage to indicator

voltage to sound



last updated 11/30/2023 at 20:19:01