Andrew
  • Member for 3 years, 3 months
  • Last seen this week
  • Melbourne VIC, Australia
2 answers
0 votes
108 views
Does the self inductance and velocity factor of the elements of a dipole antenna change its resonant frequency?
4 answers
0 votes
228 views
1 bookmarks
Why is a half wave dipole resonant?
1 answers
0 votes
110 views
For a center fed half wave dipole operated at resonance, are the voltage and current in phase only at the feed point?
3 answers
0 votes
354 views
How can a vertical Yagi for 10 m be mounted on on a vertical metal mast and be made to work properly?
4 answers
0 votes
304 views
Variable polarization Yagi using two antennas on the same boom, joined together with variable feedpoint phase?
2 answers
0 votes
131 views
Small size vertical 10 m antenna with high gain
2 answers
0 votes
153 views
For an antenna when used for transmittiing, what is the optimum radiation resistance?
1 answers
0 votes
270 views
Is shortening a half wave dipole to make it resonant by removing the inductive reactance a good idea?
2 answers
0 votes
145 views
What exactly makes an antenna resonant?
1 answers
0 votes
101 views
If i transmit on the same frequency using two separate transmitters joined together will they both add up in a reciever to produce a stronger signal?
1 answers
0 votes
79 views
Can i use an anaolgue IC switch to change a 10 m yagi's directivity by somehow combining received signals with different variable phase?
1 answers
0 votes
194 views
Can I make ferrite paint? Will it shield my antenna from my roof?
2 answers
0 votes
1k views
What is the theoretical and actual cross polarization attenuation from horizontal to vertical polarization?
1 answers
0 votes
1k views
What EXACTLY does front to back ratio mean?
1 answers
0 votes
652 views
Is it legal to transmit scrambled or encrypted voice via SSB on ham bands?
2 answers
0 votes
147 views
Does a vertically or horizontally polarized electromagnetic wavefront have a thickness?
2 answers
0 votes
695 views
Does a horizontally polarised yagi antenna have the same front to back ratio for horizontal and vertical received signals?
2 answers
-1 votes
81 views
Broadband dipole with no standing waves?
4 answers
-1 votes
133 views
What comes first, Voltage or Current?
2 answers
-2 votes
380 views
How can a half wave dipole which has an impedance of 73 + j43 ohms ever be resonant?
4 answers
-5 votes
334 views
Exactly what is the cause for the zero reactance seen in the impedance at the center feed point of a resonant half wave dipole?
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