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Active Hot Week Month
1 vote
2 answers
157 views

Avoiding radio damage with closely spaced VHF/UHF antennas

CommunityBot
  • 1
1 vote
1 answer
80 views

Does Velocity Factor pose a significant cable loss?

tomnexus
  • 9,599
2 votes
1 answer
79 views

How do these ceiling mount dome antennas work? Are these discone antennas or horn antennas?

tomnexus
  • 9,599
8 votes
1 answer
133 views

S Parameters in HFSS

CommunityBot
  • 1
0 votes
1 answer
99 views

1/2 wave dipole instead of 1/4 wave + ground plane

Louis Seaman
  • 549
1 vote
2 answers
114 views

How is it possible for a halfwave dipole antenna to be resonant?

Louis Seaman
  • 549
9 votes
3 answers
7k views

How far does an antenna need to be from metal to avoid problems?

Louis Seaman
  • 549
3 votes
3 answers
526 views

Magnetic loop antenna : loops vs selectivity

C Network
  • 1
1 vote
2 answers
95 views

Off-center fed long wire antenna

quanglewangle
  • 105
3 votes
3 answers
3k views

Are chokes necessary for VHF and higher frequencies?

Dereck
  • 51
2 votes
2 answers
85 views

How can cross-polarization loss be determined given the angle between two antennas?

CommunityBot
  • 1
2 votes
1 answer
36 views

Antenna Aperature for out-of-band frequencies

oogieoogieful
  • 23
0 votes
0 answers
34 views

LTE (4G) - Which external/outdoor antenna type is the best?

Eduardo Lucio
  • 115
0 votes
3 answers
85 views

How does the waveform of electromagnetic wave affect the design of an antenna?

Louis Seaman
  • 549
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