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21. Re: Topband: K9AY Loop Questions (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Thu, 6 Jan 2022 19:19:04 -0500; Hi Mike and gang, It has been a long time since I looked at the SAL in which I modeled it with the help of the designer of the SAL (KB7GF). The SAL is actually different than the K9AY and other EWE t; /archives//html/Topband/2022-01/msg00029.html (11,918 bytes)
22. Re: Topband: K9AY Loop Questions (score: 1): Author: Cecil acuff <chacuff@gmail.com>; Date: Thu, 6 Jan 2022 18:50:56 -0600; It is a different animal than the AY. I think its a good antenna but I have something unique at my QTH that seems to render RX antennas performance compromised. Im moving to the country in a couple y; /archives//html/Topband/2022-01/msg00030.html (12,574 bytes)
23. Re: Topband: K9AY Loop Questions (score: 1): Author: Jose_Carlos <N4IS@COMCAST.NET>; Date: Thu, 6 Jan 2022 22:23:13 -0500; Don Im afraid your information is not accurate, SAL is the same as a K9AY, the two wires close to each other can be removed because they cancel each other. The remain wires works like two vertical in; /archives//html/Topband/2022-01/msg00031.html (12,725 bytes)
24. Re: Topband: K9AY Loop Questions (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Fri, 7 Jan 2022 00:14:38 -0500; Hi Jose, To keep things simple, I say the K9AY is not like a pennant or flag since it has been demonstrated by many people to be more ground dependent (sometimes needing added ground radials). Under; /archives//html/Topband/2022-01/msg00032.html (15,798 bytes)
25. Re: Topband: K9AY Loop Questions (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Fri, 7 Jan 2022 00:39:42 -0500; Hi Jose, I would like to make one more comment to make us all scratch our heads. You said "The remain wires works like two vertical in phase, as the same in any flag". But the Flag when modeled has a; /archives//html/Topband/2022-01/msg00033.html (17,056 bytes)
26. Topband: K9AY Loop Questions (score: 1): Author: "Roger Kennedy" <roger@wessexproductions.co.uk>; Date: Fri, 07 Jan 2022 06:23:25 -0500; Sadly I don't have room for ANY kind of Pennant or SAL Receive antenna, let alone a Beverage or Loop on the Ground (hence my 6ft Rx Loop in the Loft) . . . But I picked up on people saying that EZNEC; /archives//html/Topband/2022-01/msg00035.html (8,705 bytes)
27. Re: Topband: K9AY Loop Questions (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Fri, 7 Jan 2022 07:20:38 -0500; Comments below But I picked up on people saying that EZNEC doesn't model these antennas near the ground very well. This is very true of EZENEC based on NEC -2....EZENEC PRO 4 based on NEC-4 depending; /archives//html/Topband/2022-01/msg00037.html (10,214 bytes)
28. Re: Topband: K9AY Loop Questions (score: 1): Author: "Andrew Ikin" <andrew.ikin@btconnect.com>; Date: Fri, 07 Jan 2022 08:24:50 -0500; N4IS, Wrote on Jan. 7. " Im afraid your information is not accurate, SAL is the same as a K9AY, the two wires close to each other can be removed because they cancel each other. The remain wires works; /archives//html/Topband/2022-01/msg00038.html (9,877 bytes)
29. Re: Topband: K9AY Loop Questions (score: 1): Author: <n4is@comcast.net>; Date: Fri, 7 Jan 2022 10:07:16 -0500; Hi Andrew He concept is very simple, you can phase 2 verticals. 3 verticals or 4 vertical. See you got, two verticals in phase give you a cardioid pattern, only one deep null on the back. Moving to 3; /archives//html/Topband/2022-01/msg00042.html (10,575 bytes)
30. Re: Topband: K9AY Loop Questions (score: 1): Author: <n4is@comcast.net>; Date: Fri, 7 Jan 2022 10:27:16 -0500; Hi Don That's a very interesting question. The K9AY is ground dependent. The reason is simple, the Loaded loop of flag has a resistor in one side and the transformer on the other side. If you want to; /archives//html/Topband/2022-01/msg00043.html (18,315 bytes)
31. Re: Topband: K9AY Loop Questions (score: 1): Author: "Andrew Ikin" <andrew.ikin@btconnect.com>; Date: Fri, 07 Jan 2022 16:09:26 -0500; Hi Jose, I think that we are going to agree to disagree as to how these type of cardioid antennas work. Yes you are correct that there is a vertical antenna mode, but you can't ignore that the induce; /archives//html/Topband/2022-01/msg00049.html (12,428 bytes)
32. Re: Topband: K9AY Loop Questions (score: 1): Author: Jose_Carlos <N4IS@COMCAST.NET>; Date: Fri, 7 Jan 2022 19:59:43 -0500; Sent from Mail for Windows Hi Andrew In this case it is very important to consider that both antennas are close to the ground. It means the reflection from the ground is different for vertical vector; /archives//html/Topband/2022-01/msg00051.html (10,108 bytes)
33. Re: Topband: K9AY Loop Questions (score: 1): Author: "Andrew Ikin" <andrew.ikin@btconnect.com>; Date: Sat, 08 Jan 2022 15:39:45 -0500; Thank you Jose, Here's an earlier Ref.. R. Keen; Wireless Direction Finding and Directional Reception 1927 Page 75. Describes Heart-Shape Circuit (Societe Francaise Radio Electrique) using a two turn; /archives//html/Topband/2022-01/msg00057.html (12,176 bytes)

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