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hb9egm ,
@hb9egm@lemmy.radio avatar

+1 for building instead of buying!

Magloop:

Delta loop:

  • for 6m, horizontal polarisation: feedpoint at the bottom, impedance match with quarter-wave length of 75Ohm TV coaxial cable.
  • for 30m, vertical polarisation: feedpoint on the side, connected by symmetric line, and a 1:4 current balun.

Sorry I don’t find pics for the delta loops. Please ask if you want more details!

vk6flab ,
@vk6flab@lemmy.radio avatar

A magnetic loop is literally just a loop with a tuning capacitor at the feed point.

There should be several to be found on the ftroop website. ftroop.vk6flab.com

loic_fejoz ,
@loic_fejoz@mastodon.gougere.fr avatar

@vk6flab @knova just a loop but.... lots to know: https://youtu.be/6CaJokq_oIM?si=GpE054CouhLvzkpF

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