Amateur Radio
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JSH
  • Member for 7 years, 5 months
  • Last seen more than a month ago
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About

I've been an electrical engineer since 1987 with digital, analog, RF and antenna design experience. My focus here is antenna patents and their applications.

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All Questions Answers
Score Newest
answer
11
How To Join Packet Radio BBS
Jul 11, 2016
answer
6
What is the effect of using different number of radials with ground plane antenna
Jan 15, 2016
answer
6
Pros/cons of the PL259/SO239 connector (M type)?
Jan 26, 2016
answer
4
Tiger Tail + capacitive coupling... what's the interaction?
Jun 14, 2019
answer
3
Do end-fed dipole antennas need choke baluns?
Jul 8, 2019
answer
3
Does mounting a ground plane antenna upside down change the takeoff angle?
Jun 21, 2016
question
3
Do these magnetic field measurements of end-fed and center-fed half-wave dipoles corroborate measurements made by antenna experimenters?
Aug 27, 2019
answer
3
What transfer rates are actually achievable using known digital modes?
Aug 1, 2016
answer
2
Can PIM occur with one carrier?
Jan 6, 2016
answer
2
HF antenna design for high-altitude balloon
Aug 8, 2017
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Defensive publication and public domain

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