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References: [ +from:k2frd@mac.com: 19 ]

Total 19 documents matching your query.

1. Re: [RFI] RF Quiet Laptop for Mobile Console? (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Thu, 18 May 2006 16:46:58 -0700
Doc, I have two laptops I use for ham radio purposes: a Mac iBook 900 and an older Dell Latitude 300 (runs Windows 98). Although my Mac is online via a portable satellite internet system (Hughes ne D
/archives//html/RFI/2006-05/msg00026.html (9,106 bytes)

2. Re: [RFI] RF Quiet Laptop for Mobile Console? (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Thu, 18 May 2006 18:07:37 -0700
The Dell works off 20vdc while I *think* my Mac iBook is a nominal 16v. I use the Dell dc-dc adaptor/converter made specifically by Dell for Dell Latitudes; found it on eBay for about $15. I suppose
/archives//html/RFI/2006-05/msg00027.html (9,132 bytes)

3. Re: [RFI] RF Quiet Laptop for Mobile Console? (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Fri, 19 May 2006 19:01:02 -0700
Most decent-sized RV suppliers either stock solar/wind charger controllers or can easily order them. Solar panels, per se don't normally come equipped with internal controllers. As a fulltime RVer, I
/archives//html/RFI/2006-05/msg00031.html (8,256 bytes)

4. Re: [RFI] Powerline Noise (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Sun, 4 Jun 2006 10:26:27 -0700
Kelly, I don't see anyone else jumping in to answer, so I'll give it a shot although somebody else may provide better information. Powerline noise on VHF (diminishing as one goes lower in the HF band
/archives//html/RFI/2006-06/msg00006.html (8,706 bytes)

5. Re: [RFI] grounding your ham equipment (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Mon, 7 Aug 2006 08:58:38 -0700
I lived in very rural upstate NY where lightning is a fact of life, especially in summer. Almost every barn (I could see nine barns in a two-mile radius from the roof of my house) is equipped with si
/archives//html/RFI/2006-08/msg00001.html (8,899 bytes)

6. Re: [RFI] Ambient Noise Levels (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Wed, 9 Aug 2006 20:59:39 -0700
Not sure it's pertinent here, but I also have high white noise levels (S4 to S6, sometimes more, sometimes less) on 40m with a trap dipole (10, 15, 20, 40m) up 40' in the middle. And I'm located far
/archives//html/RFI/2006-08/msg00008.html (9,037 bytes)

7. [RFI] Non-RFI Battery Voltage Regulators (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Fri, 11 Aug 2006 12:49:40 -0700
Anyone in the group knowledgeable about or experienced with battery voltage regulators (aka controllers, battery extenders, battery boosters, DC to DC converters, etc) which will take power from a no
/archives//html/RFI/2006-08/msg00027.html (7,900 bytes)

8. Re: [RFI] Non-RFI Battery Voltage Regulators (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Fri, 11 Aug 2006 19:09:19 -0700
Kenwood TS-2000; SSB, CW, PSK-31, PACTOR-III (Winlink 2000). Power: highest I can without FM distortion up to 100w. While I watch my DC voltmeter very carefully (the rig may start FMing at 12.4 to 12
/archives//html/RFI/2006-08/msg00035.html (12,439 bytes)

9. Re: [RFI] Honda Generator RFI? (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Sat, 16 Sep 2006 12:56:35 -0700
Yeah, I sure do. I bought a Honda Eu1000i this past February after having major RFI problems with a Mitsubishi 600/900w inverter-generator and have been having all sorts of the same RFI problems with
/archives//html/RFI/2006-09/msg00004.html (8,263 bytes)

10. Re: [RFI] Honda Generator RFI? (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Sat, 16 Sep 2006 19:19:16 -0700
Could you expand on this a little with a description of how the Hondas were used, e.g., distance from the radios and antennas, any line or common mode filters installed, running through batteries, ba
/archives//html/RFI/2006-09/msg00008.html (10,792 bytes)

11. Re: [RFI] Honda Generator RFI? (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Sun, 17 Sep 2006 16:59:26 -0700
Alternatively, apparently there are enough Honda inverter-generators which do create enough RFI to require articles on RFI suppression to be written: http://www.dellroy.com/W4EF's-Ham-Radio-Page/Port
/archives//html/RFI/2006-09/msg00018.html (8,863 bytes)

12. Re: [RFI] FW: Interference on TV using 2 meters (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Sat, 28 Oct 2006 07:53:17 -0700
Chuck, very good story and good work! Hams are constantly blamed for any type of interference by neighbors' who are having electronic entertainment problems. I'm frequently catching heat (albeit frie
/archives//html/RFI/2006-10/msg00055.html (10,099 bytes)

13. Re: [RFI] [TowerTalk] 115 KV Lines (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Tue, 22 May 2007 14:35:45 -0700
To add to Mike's comments, I lived for 20 years within 200 feet of a 115kv line which crossed over my property and I experienced no RFI or other problems whatsoever. If anything, I considered all tho
/archives//html/RFI/2007-05/msg00034.html (10,879 bytes)

14. Re: [RFI] [TowerTalk] 115 KV Lines (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Wed, 23 May 2007 10:25:50 -0700
Down here in Arizona, APS (AZ Power System) could also take some lessons from NYSEG. There are continuous MILES of leaky lines which are so bad, the noise drowns out my car's AM radio and I have a to
/archives//html/RFI/2007-05/msg00037.html (10,645 bytes)

15. Re: [RFI] Noisey PSU (Laptop) on HF Decodeing (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Tue, 29 May 2007 16:15:36 -0700
Yes. I have three laptops (old Dell Latitude 300, older Mac PowerBook 1400, newer Mac iBook 900 [main computer]). All three are RFI noisy while listening on HF when I have them plugged into commercia
/archives//html/RFI/2007-05/msg00061.html (7,770 bytes)

16. Re: [RFI] Noisey PSU (Laptop) on HF Decodeing (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Tue, 29 May 2007 19:49:44 -0700
I absolutely agree that it is seldom a simple issue with RFI. It also occurs to me that my newest Mac which causes the most RFI is also equipped with a wireless card meaning it also has an antenna (l
/archives//html/RFI/2007-05/msg00065.html (9,336 bytes)

17. [RFI] Traffic Light RFI; Also Diesel-powered Vehicles; Also Other RFI While On The Road (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Wed, 04 May 2011 14:56:58 -0700
Ron et al, I disagree with the last sentence regarding RFI due to traffic signals on 2m, at least within Arizona (Prescott [my home QTH], Phoenix, Flagstaff, Tucson, and many other AZ locations). My
/archives//html/RFI/2011-05/msg00032.html (9,627 bytes)

18. [RFI] Traffic Light RFI; Also Diesel-powered Vehicles; Also Other RFI While On The Road Re: RFI Digest, Vol 100, Issue 6 (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Fri, 06 May 2011 16:16:48 -0700
Kurt, Christian, et al-- No, I have not contacted AZ Corporate Commission (ACC - the Big Gun of AZ regulatory enforcement) nor Arizona Power Authority (APA) nor any other of the equivalent other stat
/archives//html/RFI/2011-05/msg00034.html (9,926 bytes)

19. [RFI] Lightning Protection Re: RFI Digest, Vol 114, Issue 1 (score: 1)
Author: Fred Stevens K2FRD <k2frd@mac.com>
Date: Sun, 01 Jul 2012 13:25:18 -0700
Pete et al-- In my 51 years of experience in ham radio including 24 years in the Army Signal Corps, I have long learned that lightning is like the 800-lb gorilla: it goes where it wants to go despite
/archives//html/RFI/2012-07/msg00009.html (11,370 bytes)


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