To see the RBN, go to http://reversebeacon.net/srch.php Type in N3ND, hit enter. Look for the 160m spots around 03z 15 Nov. The 03z spots are at 400 watts. The 00z spots were at 100 watts, before t
Top Banders: Further to Guy's report, N3ND's Inverted U Antenna is the third operational Top Band Antenna employing K2AV's Folded Counterpoise(FCP)versus raised or buried radials. The other two are I
It seems to me that the folded counterpoise is equivalent to a couple of loaded short radials, except that "linear loading" is used instead of lumping loading coils. Thus the ground induction loss is
Is there more info available on this antenna? Especially a diagram (or crude drawing) of how things are done would be appreciated. A NEC model would be fantastic, but I'd be more than happy to prepar
For short radials make them equal lengths and load using a single coil. _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
This antenna started out as a "U", but in trimming it back to resonance (folded counterpoise plus isolation transformer plus antenna length), the down part of the "U"s up, over and down got nearly el
not forgetting my 2010 CQWW 160 award (counter poise + 120 up 130 over) mike w7dra ____________________________________________________________ 53 Year Old Mom Looks 33 The Stunning Results of Her Wr
Hi Rick, We need to look at the current distribution and amplitudes on a 5/16 wave single wire folded counterpoise (FCP) quite carefully. It really is NOT the same as two loaded 1/16 wave radials. Th
Rick: Just to confirm what Guy mentioned regarding the visual impact of FCPs... They can truly be made virtually invisible from a distance even when a person knows where to look. I know this for fact
Guy, Why is an isolation transformer required and not a simple tapped or series (as appropriate to the impedance of the vertical element) coil with a high quality common mode choke? What is the spaci
Your analysis IMHO doesn't take into account coupling between the two conductors in the open wire line. I would characterize the above as a 33 foot radial in series with two 33 foot shorted stubs. A
Hi, Richard, A bit of errata to correct my previous post: The difference in current will not be as large as I stated in my last post, because for the pair of 1/16 radials I did not divide the source
My 1988 CQ 160 top USA winner was a 90' shunt fed tower with a 10-20M stack of 4 el on top. It also accounted for over 200 countries in about 3 years. This was on a 1 acre lot and some of the Beverag
Hi, Carl, I repeat, a folded counterpoise is NO substitute for a dense and uniform system, which is what you had in the end. My question for you is if you had a 70 x 10 foot strip of that rocky stuff
Ya... Camouflage works... Hi, Carl, I repeat, a folded counterpoise is NO substitute for a dense and uniform system, which is what you had in the end. My question for you is if you had a 70 x 10 foot
A diagram would help a lot. Even better if you show the current distribution. 74 Jon LA4RT, Trondheim, Norway _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
You sort of lost me a day or so Guy as the posts were getting way too long and boring (-; that I deleted after the first page. It appears that the FCP sort of took over the radial discussion somewher