In article ,
"RB" wrote:
> Are the circuit boards inside the loran antenna couplers considered active?
>
> Since they have dc voltage running to them up the center conductor of the
> coax from the set, it seems it would cause them to be considered an active
> (vice passive) board.
>
>
Yes, they have an active element that provides Gain, and impedance
matching.....
>> Stay informed about: about the circuit boards in the loran antenna couplers