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Log in| Search found 4 matches |
| Author | Message |
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 Topic: monopole for HF on sailboat counterpoise radials question |
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| PatrickC Replies: 4 Views: 21868 |
 Forum: Questions Related to Antenna Theory Posted: Thu Feb 17, 2011 10:53 am Subject: Monopole theory Please explain how sea water works at HF frq |
| http://en.wikipedia.org/wiki/Monopole_antenna
This link describes the Monopole Theory. Note the ground plane theory. http://en.wikipedia.org/wiki/Ground_plane ....near field reflection point... ... |
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| Topic: monopole for HF on sailboat counterpoise radials question |
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| PatrickC Replies: 4 Views: 21868 |
Forum: Questions Related to Antenna Theory Posted: Thu Feb 17, 2011 10:26 am Subject: half wave dipole acting as a Monopole with seawater ground |
| Hi,
I just sent these questions via email too: pjbevel at gmail More details below: Thanks for answering my questions about feeding 1.5 amps RF at 900v into my Main Mast via starboard stay ... |
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| Topic: monopole for HF on sailboat counterpoise radials question |
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| PatrickC Replies: 4 Views: 21868 |
Forum: Questions Related to Antenna Theory Posted: Thu Feb 17, 2011 10:15 am Subject: Monopole half wave dipole with one seawater grounded leg |
| The Monopole is in theory a half wave dipole with one leg grounded to the sea water. The only emitting leg is above seawater. So a virtual leg that is one quarter 1/4 wave in length forms in the Sea ... | |
| Topic: monopole for HF on sailboat counterpoise radials question |
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| PatrickC Replies: 4 Views: 21868 |
Forum: Questions Related to Antenna Theory Posted: Wed Feb 16, 2011 4:26 pm Subject: monopole for HF on sailboat counterpoise radials question |
| Hi, Need experts. So much misinformation abounds.
Have a fiberglass (nonconducting) 42 ft sailboat with a ICOM-802 ssb AT-140 tuner 150 watt PtoP Hooked ground output of Tuner via 4 inch wid ... |
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