Amateur Radio
JSH
  • Member for 6 years, 11 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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10
How To Join Packet Radio BBS
Jul 11 '16
6
What is the effect of using different number of radials with ground plane antenna
Jan 15 '16
6
Pros/cons of the PL259/SO239 connector (M type)?
Jan 26 '16
4
Tiger Tail + capacitive coupling... what's the interaction?
Jun 14 '19
3
Do end-fed dipole antennas need choke baluns?
Jul 8 '19
3
What transfer rates are actually achievable using known digital modes?
Aug 1 '16
3
Does mounting a ground plane antenna upside down change the takeoff angle?
Jun 21 '16
3
Do these magnetic field measurements of end-fed and center-fed half-wave dipoles corroborate measurements made by antenna experimenters?
Aug 27 '19
2
HF antenna design for high-altitude balloon
Aug 8 '17
2
Can PIM occur with one carrier?
Jan 6 '16
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Defensive publication and public domain

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