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Total 79 documents matching your query.

1. Re: Topband: Rodent Proof Tape (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Sat, 14 Nov 2015 10:57:08 -0600
K8MFO wrote: "The tape is laced with CAPSAICIN, a primary ingredient in hot sauce ...." When I was in Florida I had trouble with rabbits eating my plants. I had some jalapeno peppers that I had left
/archives//html/Topband/2015-11/msg00100.html (9,676 bytes)

2. Re: Topband: Mag loop 400W if possible. (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Sun, 15 Nov 2015 09:18:54 -0600
I like to use AA5TB's calculator to get a quick estimate for mag loops. http://www.aa5tb.com/loop.html#cal Also see http://www.aa5tb.com/loop.html Example: 10 ft diameter loop made from 1 inch diamet
/archives//html/Topband/2015-11/msg00107.html (8,647 bytes)

3. Re: Topband: Mag loop 400W if possible. (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Sun, 15 Nov 2015 09:29:00 -0600
I forgot to mention. 10 ft diameter loop is about the smallest loop that will tune with your 1000 pf cap. A 10 ft loop needs 843 pf. Use 2 inch diameter pipe and you need 982 pf. You can see that wit
/archives//html/Topband/2015-11/msg00108.html (8,887 bytes)

4. Re: Topband: Mag loop 400W if possible. (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Sun, 15 Nov 2015 10:20:41 -0600
Your country may not have the same RF safety rules that we have in the US. For the US those rules are at this link http://www.fcc.gov/Bureaus/Engineering_Technology/Documents/bulletins/oet65/oet65b.p
/archives//html/Topband/2015-11/msg00110.html (11,502 bytes)

5. Re: Topband: Mag loop 400W if possible. (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Sun, 15 Nov 2015 11:06:59 -0600
I forget to add that the EZNEC simulation showed the gain of this loop to be about -10.8 dBi on 1.8 MHz. Matching network loss not included. Jerry Wish you all the best with the antenna project Jon b
/archives//html/Topband/2015-11/msg00113.html (10,096 bytes)

6. Re: Topband: K5P signal strength (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Fri, 15 Jan 2016 09:13:22 -0600
K5P had a big signal around 0900Z this morning. We had thunderstorms and the bands were very noisy but he came in over the top of that. He faded a little later on but still good copy. I worked him at
/archives//html/Topband/2016-01/msg00325.html (10,653 bytes)

7. Re: Topband: VP8STI 160 Meter Path (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Fri, 22 Jan 2016 12:11:08 -0600
Last night we had storms so I didn't listen on 160 because I had already worked VP8STI on 160 the previous day, however Wednesday night/Thursday morning VP8STI propagation was not unlike the same thi
/archives//html/Topband/2016-01/msg00592.html (9,996 bytes)

8. Re: Topband: VP8STI rumor (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Tue, 26 Jan 2016 16:35:08 -0600
This two word description "Camp dismantled" could mean most anything. Dismantled by the wind, or dismantled by the team members, or maybe dismantled by the penguins. If they got back to the island it
/archives//html/Topband/2016-01/msg00660.html (9,768 bytes)

9. Re: Topband: A35T (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Wed, 24 Feb 2016 10:38:29 -0600
After looking for them at sunrise for the past 2 days and hearing nothing I decided to try earlier, so I got up at 0900Z and listened for 2 hours. Saw no spots for A35T on 160 and heard nothing. Saw
/archives//html/Topband/2016-02/msg00114.html (7,713 bytes)

10. Topband: Heard Island (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Fri, 25 Mar 2016 13:20:04 -0500
Here are a few links you may find interesting, in light of all the rare DXpeditions going on right now. Google map of Heard Island: http://tinyurl.com/hzps5lr Click on either of the photos on the lef
/archives//html/Topband/2016-03/msg00220.html (7,522 bytes)

11. Topband: BOG data (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Mon, 09 May 2016 17:25:56 -0500
Before you put a lot of faith in modeling a BOG, you should look at the data below. I measured the current along a 364 ft BOG and compared it to what NEC predicts. On 160, NEC is in error by 400% in
/archives//html/Topband/2016-05/msg00019.html (10,330 bytes)

12. Re: Topband: BOG data (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Thu, 12 May 2016 19:53:27 -0500
I meant to sent this post to the group but somehow only sent it to K2AV. So second try. The system has messed up my data formatting to the point where it is not readable. The data has been reformatte
/archives//html/Topband/2016-05/msg00028.html (10,935 bytes)

13. Re: Topband: modeling BOGs (or whatever we call them) (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Fri, 13 May 2016 21:47:14 -0500
I don't have the June issue of QST yet. I couldn't wait, so I went to the ARRL website to read it, hoping for some enlightenment. It is unfortunate that most of his measurements were done on a buried
/archives//html/Topband/2016-05/msg00031.html (9,562 bytes)

14. Re: Topband: modeling BOGs (or whatever we call them) (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Sat, 14 May 2016 11:00:00 -0500
I sent this message to K9LA, then it occurred to me that maybe I should sent it to the group also. So here it is. I agree that BOGs are not well understood. What started this whole process of compari
/archives//html/Topband/2016-05/msg00032.html (8,868 bytes)

15. Re: Topband: antennas close to ground (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Sat, 14 May 2016 21:55:31 -0500
From the information I have heard and the comparisons I have done on several occasions there is very little difference between NEC2 and NEC4 for wires close to the ground. Of course NEC2 won't handle
/archives//html/Topband/2016-05/msg00035.html (8,716 bytes)

16. Re: Topband: Orientation of a 160 meter receive loop? (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Fri, 30 Sep 2016 09:50:15 -0500
A small loop mounted horizontally will be omnidirectional, mostly horizontally polarized and with a null overhead. An omnidirectional antenna isn't usually a very low noise receiving antenna. The gai
/archives//html/Topband/2016-09/msg00146.html (8,160 bytes)

17. Re: Topband: Orientation of a 160 meter receive loop? (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Fri, 30 Sep 2016 13:17:29 -0500
I goofed with those gain numbers. Forgot to do the average gain test in EZNEC. The program was making big errors due to too many segments. The real answer is that there is only 2.4 dB less gain for t
/archives//html/Topband/2016-09/msg00147.html (9,221 bytes)

18. Topband: New digital mode? (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Mon, 03 Oct 2016 15:06:52 -0500
I asked this question on QRZ and never got a good answer. I am sure many on this reflector know the answer to this question. What is the stuff on 1838 kHz that sounds like a continuous carrier with n
/archives//html/Topband/2016-10/msg00005.html (8,186 bytes)

19. Re: Topband: New digital mode? (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Mon, 03 Oct 2016 20:35:59 -0500
Thanks for all the replies. I thought I had already tried everything suggested, but maybe not, and now I am carefully going back through everything again. Since these signals are on the band right no
/archives//html/Topband/2016-10/msg00009.html (9,451 bytes)

20. Re: Topband: Electric Fence Noise at W9RE (score: 1)
Author: K4SAV <RadioXX@charter.net>
Date: Fri, 09 Dec 2016 15:31:15 -0600
A month after I put up a receiving antenna for 160, the guy next door to me put an electric fence within 50 ft of that antenna. I was sure I was going to have to move the antenna. I waited. A few wee
/archives//html/Topband/2016-12/msg00150.html (8,160 bytes)

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