Construction of a 20-meter coaxial trap

 
 

 

20-meter trap schematic

 

 

Overall length of the coax is 41¼ inches at the beginning, prepare 3 inches at each end.

 

 

 

Pipe lenght is 2¼"   Before and after   Inside view
         
   
Winding the coax   The trap and the ty-rap   One cap to glue
         
   
¾" PVC coupling   Copper soldering   Inside view
         
   
Side view   We made 46   Larger production
         
     
Dip shows 14.1 Mhz   Using the grip dip