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Search: Posts Made By: NN5I
Forum: Antenna Solutions 04-11-2016, 11:07 PM
Replies: 12
Views: 17,982
Posted By NN5I
Dick, the first of those links appears to go...

Dick, the first of those links appears to go nowhere. The second says what I was trying to say, but (ahem) I think I said it better.

This has been an interesting thread. It has forced me to...
Forum: Antenna Solutions 04-11-2016, 02:40 PM
Replies: 12
Views: 17,982
Posted By NN5I
I think I could have made this clearer by saying...

I think I could have made this clearer by saying that a "counterpoise" is anything that gives the current on the inside surface of the coax somewhere to go. A "ground plane" can do that, if the coax...
Forum: Antenna Solutions 04-09-2016, 10:05 AM
Replies: 12
Views: 17,982
Posted By NN5I
Actually it is. The takeoff angle is determined...

Actually it is. The takeoff angle is determined by the location of the ground plane (how far it is below the antenna) and by its reflection characteristics (how good a reflector it is). This is...
Forum: Antenna Solutions 04-07-2016, 01:20 PM
Replies: 12
Views: 17,982
Posted By NN5I
Well, let's see what we can figure out on our...

Well, let's see what we can figure out on our own. You mention two categories: radials, and counterpoises. "Radials" is actually two subjects, one of which is radials that are ground planes and...
Forum: Antenna Solutions 04-06-2016, 01:11 AM
Replies: 12
Views: 17,982
Posted By NN5I
Dick, can you provide a link to that Wikipedia...

Dick, can you provide a link to that Wikipedia article? My initial impression is that the article is fundamentally incorrect. But I'd have to read and ponder it.
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