Search String: Display: Description: Sort:

Results:

References: [ +from:ct1ilt@gmail.com: 26 ]

Total 26 documents matching your query.

1. Re: Topband: BOG antennas (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Wed, 1 Apr 2015 16:18:01 +0200
Hello Bruce, This is a very interesting subject. I am about to "maybe" test a BOG here at my French QTH and I am wondering if there are any tests made with best terminating resistance (235ohm? ) shou
/archives//html/Topband/2015-04/msg00005.html (8,643 bytes)

2. Re: Topband: BOG antennas (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Wed, 1 Apr 2015 18:09:26 +0200
Thank you Frank. Will have a look at it. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M _________________ Topband Reflector Archives - http://www.contesting.com/_topband
/archives//html/Topband/2015-04/msg00007.html (10,106 bytes)

3. Re: Topband: BOG antennas (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Thu, 2 Apr 2015 10:00:47 +0200
I want to thank you all for the comments, I gathered all the info and will now do some testing. If this works I might even be able to put some at my contest station in Portugal CR6K. Once again thank
/archives//html/Topband/2015-04/msg00032.html (15,720 bytes)

4. Topband: Commond mode choke for Beverage (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Mon, 12 Oct 2015 14:45:49 +0200
Hi guys, I am about to add a common mode choke to isolate the antenna from its feedline to each of my beverages and I only have FT240-61 ferrites. My question is how many turns should I do on the fer
/archives//html/Topband/2015-10/msg00062.html (6,689 bytes)

5. Re: Topband: Commond mode choke for Beverage (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Mon, 12 Oct 2015 15:51:43 +0200
Hello JC, Thanks for your answer. I just ordered a few 2631803802 and 5943003801 from mouser. With these ferrites I ask the same question, should I put the choke close to the 9:1 Balun or near the sw
/archives//html/Topband/2015-10/msg00064.html (8,987 bytes)

6. Re: Topband: Commond mode choke for Beverage (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Mon, 12 Oct 2015 19:38:59 +0200
Thanks Jim and all for the help. Mix #31 cores are already ordered in mouser. 73's cu on low bands Filipe LOPES CT1ILT CR6K _________________ Topband Reflector Archives - http://www.contesting.com/_t
/archives//html/Topband/2015-10/msg00072.html (8,931 bytes)

7. Re: Topband: Commond mode choke for Beverage (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Tue, 13 Oct 2015 09:05:57 +0200
Thanks for this grounding tip too Jim. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M _________________ Topband Reflector Archives - http://www.contesting.com/_topband
/archives//html/Topband/2015-10/msg00089.html (10,240 bytes)

8. Re: Topband: Commond mode choke for Beverage (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Tue, 13 Oct 2015 09:07:48 +0200
Thanks for this testing suggestiong Eddie, it will sure be a good way to check if it works or not. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M _________________ Topband Reflector Archives - http://w
/archives//html/Topband/2015-10/msg00090.html (10,381 bytes)

9. Re: Topband: Commond mode choke for Beverage (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Tue, 13 Oct 2015 09:08:34 +0200
Thanks JC, I am reading it right now, very interesting indeed. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M _________________ Topband Reflector Archives - http://www.contesting.com/_topband
/archives//html/Topband/2015-10/msg00091.html (12,244 bytes)

10. Re: Topband: CX/W1UE Tonight (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Thu, 10 Dec 2015 16:12:45 +0100
Hi Dennis, In Europe you can go as low as 1.810 MHz for TX. 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M _________________ Topband Reflector Archives - http://www.contesting.com/_topband
/archives//html/Topband/2015-12/msg00138.html (8,561 bytes)

11. Re: Topband: : Re: 1 center point to ground all 8 beverages?? (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Tue, 22 Mar 2016 14:17:51 +0100
what about 7 ground rods 20cm apart, will it do ? 73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M _________________ Topband Reflector Archives - http://www.contesting.com/_topband
/archives//html/Topband/2016-03/msg00198.html (9,575 bytes)

12. Re: Topband: : Re: 1 center point to ground all 8 beverages?? (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Tue, 22 Mar 2016 16:21:23 +0100
Hi Don, Thanks for your reply. My bev system has 3 bevs starting from the same point, 330º , 0º and 45º. I understand what you mean but unfortunately I think the relays are not a good solution for me
/archives//html/Topband/2016-03/msg00203.html (11,658 bytes)

13. Re: Topband: Post contest season: TX antenna vs RX antenna cros-stalk. What do you do? (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Thu, 24 Mar 2016 13:04:29 +0100
I am using 2xTS590 and never had any issues either. 73s Filipe CT1ILT CR6K _________________ Topband Reflector Archives - http://www.contesting.com/_topband
/archives//html/Topband/2016-03/msg00209.html (10,917 bytes)

14. Re: Topband: : Re: 1 center point to ground all 8 beverages?? (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Sun, 27 Mar 2016 21:28:13 +0200
Hi guys any other suggestion? Maybe this is the reason why my EU direction bevs never worked fine... the ground rods are about 40cm from each other. What about using 1 radial in each direction attach
/archives//html/Topband/2016-03/msg00227.html (12,970 bytes)

15. Re: Topband: : Re: 1 center point to ground all 8 beverages?? (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Sun, 27 Mar 2016 23:53:21 +0200
Hello Frank Thank you for your email, just one more question. Do you put the relay directly at each antenna wire or do you just connect the ground to a common point and you select and deselect the an
/archives//html/Topband/2016-03/msg00232.html (11,768 bytes)

16. Topband: 2 element vertical for 80m with 1/8wavelength spacing (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Tue, 19 Apr 2016 16:53:01 +0200
Hi guys, Has anyone tried spacing 2 verticals on 80m 1/8 wavelength, instead of 1/4 wavelength? I am starting some new project and I will use the 2x157º and 1x39º phasing lines but my question is reg
/archives//html/Topband/2016-04/msg00122.html (7,008 bytes)

17. Topband: Reversible bevs WIRE (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Mon, 1 Aug 2016 23:43:17 +0200
Hi guys I am thinking about doing a couple of reversible bevs and I was thinking of using this kind of cable http://uk.rs-online.com/web/p/cable-telephonique/0407010/ I have tons of it. Has anyone do
/archives//html/Topband/2016-08/msg00000.html (6,152 bytes)

18. Topband: phased inverted V dipoles (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Mon, 10 Oct 2016 15:21:07 +0200
Hi guys We are rebuilding our station and I was thinking about putting up 2 dipoles 1/8 wavelength apart. Has anyone ever tried to phase them for example with Christman method? Thanks Filipe Lopes CT
/archives//html/Topband/2016-10/msg00017.html (7,537 bytes)

19. Re: Topband: phased inverted V dipoles (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Mon, 10 Oct 2016 23:03:29 +0200
Hi Guy Thanks for your detailed reply. I am building a two-phase vertical for 80 meters, 1/4wave separated. Untill now I usee 1 single vertical with around 50 or 60 radials and I have noticed that to
/archives//html/Topband/2016-10/msg00029.html (12,168 bytes)

20. Re: Topband: 160m Condx (score: 1)
Author: Filipe Lopes <ct1ilt@gmail.com>
Date: Mon, 12 Nov 2018 17:31:16 +0100
Hi Is there a listing of such frequencies? Want to avoid those in the coming contests 73's Filipe CT1ILT CR5E CR6K Sent from my Huawei Mate 8 _________________ Searchable Archives: http://www.contest
/archives//html/Topband/2018-11/msg00046.html (7,948 bytes)

Current List: 1 - 20
Page: [1] [2]
This search system is powered by Namazu