Step by step build of a Common Mode Choke. How to keep RF off of your coax shield and out of your shack.
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73's
Jerry
KM4ZKB
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Thanks for watching!
*Chapters*
00:00 Intro
00:49 Start build
01:28 Parts used in build
05:22 Parts List
07:15 Purpose of Common Mode Choke
08:34 Test rig setup
09:57 Test coax and show how turns affect choke
13:31 Winding the choke
17:51 Testing the choke
20:44 Prepare and mount choke to plastic
27:33 Solder connections
33:40 Test completed choke
34:10 Test results
36:12 Hot glue to protect coax connections
38:34 POTA Park Activation
40:56 Install choke
41:39 Antenna Resonance in 20m configuration for 10m?
42:32 QSO's on 20m
44:22 QSO's on 17m
47:48 Outro
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#commonmodechoke #hf #hamradio #cmc #rf #balun