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1 vote
2 answers
126 views

Avoiding radio damage with closely spaced VHF/UHF antennas

2 votes
1 answer
64 views

Calculating a real antenna gain from electric field strength?

8 votes
1 answer
118 views

S Parameters in HFSS

2 votes
5 answers
133 views

Minimal SWR at resonance

2 votes
2 answers
88 views

Balance of gamma / delta match

1 vote
0 answers
93 views

What is the differece between a large loop antenna and a small loop antenna in terms of their response to an electromagnetic wave?

5 votes
3 answers
139 views

does the shape of an antenna ground plane matter?

6 votes
4 answers
1k views

Can an antenna be too powerful for certain receivers?

4 votes
2 answers
114 views

What frequency ranges are most common for Amateur radio astronomy and why are most parabolic antennas tuned to such high frequencies?

4 votes
1 answer
133 views

Parameters needed to calculate inductor value to achieve proper phase delay?

1 vote
2 answers
185 views

Can fanned/parallel endfed antennas be used to get higher gain in some directions?

2 votes
4 answers
699 views

I'm looking for an effective beam antenna for both 20 meters and 10 meters

3 votes
2 answers
96 views

Antenna reciprocity how does an antenna increase receiving range?

1 vote
2 answers
148 views

For an HF antenna I am using a mesh dipole (10sq meters) with surprising good results on 7MHz how does it work?

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