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1. [CQ-Contest] delta loop question 80m (score: 1): Author: AB2E Darrell <ab2e@hotmail.com>; Date: Mon, 29 Jul 2019 00:27:14 +0000; Hello all, Hope it's oK to ask this on this forum. Trying to figure out if it's worthwhile to make one delta loop that will cover most of CW and lower part of SSB. Does anyone have up a full wave del; /archives//html/CQ-Contest/2019-07/msg00124.html (7,683 bytes)
2. Re: [CQ-Contest] delta loop question 80m (score: 1): Author: "Peter Chamalian" <w1rm@comcast.net>; Date: Mon, 29 Jul 2019 07:39:38 -0400; I have used one for years and feed it with open wire line so no worries about covering both ends of the band -- but since I rarely go any higher than 3600 it's not a worry. Pete, W1RM W1RM@Comcast.ne; /archives//html/CQ-Contest/2019-07/msg00126.html (8,605 bytes)
3. Re: [CQ-Contest] delta loop question 80m (score: 1): Author: Tony Brock-Fisher via CQ-Contest <cq-contest@contesting.com>; Date: Mon, 29 Jul 2019 08:47:02 -0400; Darrel I have a pair of delta loops in a phased configuration. They are very effective. Here are my thoughts: -There are two ways of feeding them which result in either horizontal or vertical polariz; /archives//html/CQ-Contest/2019-07/msg00127.html (9,224 bytes)
4. Re: [CQ-Contest] delta loop question 80m (score: 1): Author: Joe <nss@mwt.net>; Date: Mon, 29 Jul 2019 08:06:07 -0500; What configuration? Like a Pyramid, or a flat top one? Actually does not matter, will the lowest part be not to high to be accessible? In other words make the loop resonant in the phone portion, the; /archives//html/CQ-Contest/2019-07/msg00128.html (10,511 bytes)
5. Re: [CQ-Contest] delta loop question 80m (score: 1): Author: Tom Hellem <tom.hellem@gmail.com>; Date: Mon, 29 Jul 2019 07:11:36 -0600; Darrell: I just ran an old one I had in EZnec. The 2:1 SWR bandwidth is about 280 Khz. I remember an old article by L B Cebik that described a way you can broadband an 80 meter antenna simply by usin; /archives//html/CQ-Contest/2019-07/msg00129.html (10,191 bytes)
6. Re: [CQ-Contest] delta loop question 80m (score: 1): Author: Edward Sawyer <EdwardS@sbelectronics.com>; Date: Mon, 29 Jul 2019 09:17:18 -0400; I no longer do this at my current station but used to have an 80M delta loop (single) and did exactly what Tony suggests. I used open wire - 450 Ohm line as the stub and I just had a shorting clip to; /archives//html/CQ-Contest/2019-07/msg00130.html (10,910 bytes)
7. Re: [CQ-Contest] delta loop question 80m (score: 1): Author: Mark - N5OT <r-emails@n5ot.com>; Date: Mon, 29 Jul 2019 08:39:15 -0500; At PJ2T we built them for phone and we add length to make them work on CW. In that installation we have ceramic knife switches installed as insulators that we just go out in the yard and change over; /archives//html/CQ-Contest/2019-07/msg00131.html (11,022 bytes)
8. Re: [CQ-Contest] delta loop question 80m (score: 1): Author: "Fco. Luis Delgadillo" <xe2b@outlook.com>; Date: Mon, 29 Jul 2019 17:47:04 +0000; Tony, Great valuable information! I will build one to test it. Would you mind send a photo and more details of the stub. I shared the previous info to our club, and some members are already intereste; /archives//html/CQ-Contest/2019-07/msg00134.html (10,535 bytes)
9. [CQ-Contest] delta loop question 80m (score: 1): Author: James Cain <jamesdavidcain@gmail.com>; Date: Mon, 29 Jul 2019 17:59:30 +0000; Feed with balanced line? Thumbs up! Use vacuum relays? Thumbs down. I'm SHOCKED that DX Engineering or MFJ haven't already designed a remote switch box, to peddle to unsuspecting suckers for $500 min; /archives//html/CQ-Contest/2019-07/msg00135.html (8,079 bytes)
10. Re: [CQ-Contest] delta loop question 80m (score: 1): Author: Chuck Dietz <w5prchuck@gmail.com>; Date: Mon, 29 Jul 2019 14:07:19 -0500; Im not clear on why Im a sucker, but I bought an automatic antenna switch from DX Engineering. I have built remote switches before, but now I just buy what I need. Chuck W5PR ________________________; /archives//html/CQ-Contest/2019-07/msg00136.html (9,263 bytes)

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