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Total 12 documents matching your query.

1. [TenTec] Power Line QRN? (score: 1): Author: tscott@eni.net (Tom Scott); Date: Tue, 27 Apr 1999 21:48:21 -0700; A warning that this is a bit long-winded... please bear with me... I'm curious to get some feedback... Now that I have finally gotten my Omni V operating better and greatly improved my antenna deploy; /archives//html/TenTec/1999-04/msg00493.html (12,093 bytes)
2. [TenTec] Power Line QRN? (score: 1): Author: n5wrx@mindspring.com (William Lee); Date: Wed, 28 Apr 1999 04:38:49 -0500; Tom, I have used the JPS ANC-4 and it works wonders on local power line noise. I went from a S-9 to S-3 noise level with no loss of distant siginals strength by using one. My buddy who has used them; /archives//html/TenTec/1999-04/msg00494.html (14,158 bytes)
3. [TenTec] Power Line QRN? (score: 1): Author: Michael O. Hyder" <N4NT@wireco.net (Michael O. Hyder); Date: Wed, 28 Apr 1999 06:47:39 -0400; Hi Tom (et al)-- My suggestion is that, instead of spending a fortune trying to eliminate noise at your station, you first try to eliminate it at its source. This can be easier than you might think.; /archives//html/TenTec/1999-04/msg00495.html (10,837 bytes)
4. [TenTec] Power Line QRN? (score: 1): Author: JimN0OCT@aol.com (JimN0OCT@aol.com); Date: Wed, 28 Apr 1999 09:31:36 EDT; Hi Tom, The technique you describe below has been around awhile, and you could build it yourself for a lot less than $190. It is covered in my 1941 Radio Handbook, and I'm sure it is covered in other; /archives//html/TenTec/1999-04/msg00497.html (9,935 bytes)
5. [TenTec] Power Line QRN? (score: 1): Author: pinskeep@iglou.com (Peter Inskeep); Date: Wed, 28 Apr 1999 09:36:53 -0400; Tom, I run an 89 meter dipole fed through ladder line and an MFJ-989C roller inductor tuner to my Omni VI+. I also experience some power line noise. Subsequently, I put up some band specific dipoles; /archives//html/TenTec/1999-04/msg00498.html (14,205 bytes)
6. [TenTec] Power Line QRN? (score: 1): Author: cshyde@yahoo.com (Carl Hyde); Date: Wed, 28 Apr 1999 07:51:43 -0700 (PDT); If you want to do this easier just get the MFJ active noise reduction unit. I have one because I live near some big power lines and a substation about a mile from my house. Its only noisey on humid d; /archives//html/TenTec/1999-04/msg00499.html (12,050 bytes)
7. [TenTec] Power Line QRN? (score: 1): Author: jandrews@slip.net (John B. Andrews); Date: Wed, 28 Apr 1999 07:04:35 -0800; (snip) I strongly suggest trying the MFJ noise cancelling unit...it has worked wonders at my site, which has electric trolly lines running about 20 feet from my shack, and other electrical noise sou; /archives//html/TenTec/1999-04/msg00501.html (8,141 bytes)
8. [TenTec] Power Line QRN? (score: 1): Author: supton@eece.maine.edu (Shawn Upton); Date: Wed, 28 Apr 1999 21:57:51 -0400; As a newbie to the hobby, how can you tell what power line noise sounds like? I know what alternator hash sounds like, but only from personal experience. What other noise sources are there? -- ** Sha; /archives//html/TenTec/1999-04/msg00506.html (8,275 bytes)
9. [TenTec] Power Line QRN? (score: 1): Author: n4lq@iglou.com (Steve Ellington N4LQ); Date: Wed, 28 Apr 1999 22:23:24 -0400; The best demonstration for power line noise is to take a portable AM radio and hold it next to your electric meter outside and listen. Of course with a bfo, it will sound a little different. Steve N4; /archives//html/TenTec/1999-04/msg00507.html (9,293 bytes)
10. [TenTec] Power Line QRN? (score: 1): Author: rohre@arlut.utexas.edu (rohre); Date: 29 Apr 1999 13:35:50 -0500; Shawn, Turn on a flourescent desk light and hold an AM radio up against it. That is one form of power line noise. Another is a rough 60 Hz tone mixed with 180 Hz. Near most any AC cord, again with th; /archives//html/TenTec/1999-04/msg00510.html (9,618 bytes)
11. [TenTec] Power Line QRN? (score: 1): Author: weingaertner@nac.net (Robert Weingaertner); Date: Fri, 30 Apr 1999 17:40:01 -0400; I've seen several MFJ recommendations in response to this question.Will the MFJ work in full break-in (QSK) mode? I think that the JPS has awitching delay, so it might only be useable in semi-breakin; /archives//html/TenTec/1999-04/msg00515.html (8,998 bytes)
12. [TenTec] Power Line QRN? (score: 1): Author: patents@dx0man.prestel.co.uk (patents@dx0man.prestel.co.uk); Date: Sat, 01 May 1999 00:03:40 +0100 (BST); (i) my MFJ manual strongly advises against trying to run full QSK; it recommends that you hitch the thing to the keyer output, so it goes off line as fast as possible, but the time delay pot should N; /archives//html/TenTec/1999-04/msg00520.html (11,362 bytes)

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