RDF

Radio Direction Finding ( RDF ) , also called Foxhunting 

                            

 

Two tube antique battery receiver  80 mtr. ( ARP12 = CV1331-pentodes )

In this case I built a small fox transmitter !!! inside, and fooled some of the hunters, but not my friend Erik PA3EGX ( left )  hi hi.

            Original status              Inside

Joke ,tx inside.                      Original status                                         Inside

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My 2 mtr fox hunt  receiver info 

                       2mtr "Gooiland" 

 Design PA0CWR, Radio Gooiland

 

My 80 mtr fox hunt receiver info

 CQDL 11/87, Holger Eckardt, DF2FQ                 New version, with mods Maarten PE7M

          

My 2 meter transmitters, I like small !!

Using only one BF199 and 1,5V or 3V battery.

              

 

My 80 meter transmitters, I like small !!

                                   1x BC547, modulating with flashing led, 9v battery.

                

 

Action photo’s

PA3FYG in action  ( 80m )           Lot of work before start        Happy Birthday PA3FYG

         

             TX Production on camping                            Test RX 80m by Erik PA3EGX