[time-nuts] Toy radiolocation and LORAN envelope

[Chris Albertson]

On Tue, May 27, 2014 at 11:32 AM, Brooke Clarke <brooke at pacific.net> wrote:
> Hi Chris:
>
> The trouble with a transponder is the receiver is a power hog.

Why does a receiver have to be a power hog?   I remember building a
receiver once that did not use any power other then the energy coming
in from the antenna.  RFID chips work like that, with no power.     I
think you could build a receiver that uses almost no power.

-- 

Chris Albertson
Redondo Beach, California