Fox Hunt V6


*** SOLD OUT ***

When your closing in on the fox you may find the signals to be strong enough you can no longer find a peak or null with your antenna. Sometimes the signal is so strong that the RF will leak straight into the radio, connections and other equipment making the antenna useless. The solution is to use an offset attenuator. The circuit consists of a small RF generator, in this case 4MHz, which will mix with the incoming fox signal (such as 146.52MHz) and produce new signals at plus and minus the fox signal (142.52Mhz and 150.52Mhz). A potentiometer on the board changes the injection level of the RF generator which in turn attenuates the incoming mixed signal to your radio to a level where tracking can continue.

Our original attenuator was just a basic PCB and kit.  This new attenuator includes the enclosure and connectors!  Available in the following configurations:

  • Traditional Thru-Hole kit – Uses traditional thru-hole components for each assembly
  • SMD Kit – Using SMD parts along with a few thru-hole components.  A great kit for beginners in SMD soldering!
  • Semi-Assembled SMD Kit – All the SMD parts are already assembled, just solder the few remaining controls and connectors.
  • Fully Assembled –  Just add a 9Vbattery*, connect your antenna & radio and hunt away!

 Click here for more information on fox hunting and the offset attenuator.




Add a tape measure beam and you have a great club kit build project!

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Example typical attenuation levels:

  Frequency Attenuation dB
Attenuator OFF,at fox frequency 146.52MHz 20
Attenuator ON,at fox frequency 146.52MHz 6-20
-/+4MHz Offset 142.52MHz / 150.52MHz 30-60
-/+8MHz Offset 138.52MHz / 154.52MHz 35-70
-/+12MHz Offset 134.52MHz / 158.52MHz 60->80

*9V Battery not included. Unit can also run as low as 3V using 2-AAA batteries (holder not included) but minimum attenuation levels will be higher.

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Additional information

Weight 5 oz
Dimensions 8 × 5 × 3 in

SMD Kit, Thru-Hole Kit, Assembled, Partially (SMD) Assembled


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