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Questions tagged [magnetic-loop]

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5 votes
1 answer
970 views

Using a loop antenna on a harmonic of the intended antenna frequency

I bought a MFJ 1786 Magnetic Loop Antenna, which is made for 10 thru 30 MHz. It is not meant for use on 40 meters. The antenna has its own built in tuner. I have a Yaesu FT-890AT with built in antenna ...
jim's user avatar
  • 161
3 votes
3 answers
2k views

How do active loop vs. passive loop differ in terms of noise rejection?

As a urban ham (Harvard Square, Cambridge MA), I'm on the hunt for RFI rejecting antenna configurations. After hours of research, I've come across many strong recommendations for loop antennas, since ...
Jeremy Gilbert's user avatar
2 votes
2 answers
971 views

Loop Antenna - configuration?

Due to space limitations, I'm looking at loop antenna designs. I'm starting with receive only, but hope to eventually transmit. I've seen magnetic loops (single turn with a coupled loop) and I'm ...
Alan Campbell's user avatar