The board is a "Active" antenna from a Kit by Pacific Antenna. During testing I  compared it with my end fed half wave on 40 and any signal that was detected using the half wave could be heard using  this board. During testing I had to drop the half wave to the ground  because of coupling between the two antennas and even then move the half wave wire for more separation.  I was surprised with the interaction between the two antennas. The board has its built in power supply which eliminates AC line interference  and a collapsible  whip.  No IC's involved just a couple of FET's. Perfect for field ops.

On 6/30/2026 8:33 PM, B. Smith via MRCA wrote:
Field Day is an excellent event to test equipment. This board worked very well.
Z
 

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