Reduce Common Mode Current (CMC) with a Easy to Build Choke

Common Mode Current can really mess with RFI and cause interference in the shack. In addition, you could also be receiving unwanted interference on the coax outer shield. In this video I show how I built myself an easy CMC choke using a toroid and RG-58 coax. Amateur Radio (G3TXQ) - Common-mode chokes http://www.karinya.net/g3txq/chokes/ FT240-43 Toroids: https://geni.us/qpzIxP (Amazon) https://geni.us/9Ortf (eBay) Toe-Roid master TheSmokinApe: https://www.youtube.com/user/TheSmokinape 🎥 Watch more recent videos here: https://www.youtube.com/c/HamRadioDX/videos ⏱️Chapters⏱️ 0:00 What is a Common Mode Current Balun 0:57 Steve G3TXQ - Common-mode chokes 4:20 Winding the choke Buy HRDX Merch: https://hamradiodx.net/merch Items I use in my shack: http://www.hamradiodx.net/vk7hh-shack HRDX shops at Australia's newest Amateur Radio store Connect VK: http://connectvk.com.au/ ✅ Subscribe to Ham Radio DX! https://bit.ly/2lvUGsD 💪 Support this channel as a Member or Patron! https://www.youtube.com/channel/UCo_jX41l6nYfnrQuk0qsZFw/join https://www.patreon.com/hamradiodx Please consider using the affiliate links to support this channel: https://geni.us/HamRadioDX Paypal TipJar: https://www.paypal.com/donate?hosted_button_id=Y8T86VP7G2KFS If you enjoyed this video help others enjoy it by adding captions in your language: https://bit.ly/3niGGN1 #HamRadioDX #CommonModeCurrent #Choke Facebook: https://www.facebook.com/VK7HH/ Twitter: https://twitter.com/HamRadioDX Instagram: https://www.instagram.com/hamradiodx Website: http://hamradiodx.net Fan "Ham" Mail: PO Box 5071 Sandy Bay, TAS 7109 Australia Email: [email protected] Music: Bensound: https://www.bensound.com/royalty-free-music Epidemic Sound: https://www.epidemicsound.com/