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References: [ +from:xxw0qe@comcast.net: 71 ]

Total 71 documents matching your query.

41. Re: [RFI] Comments on RFI from Ductless Air Conditioning Units? (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Sun, 12 May 2013 20:18:16 -0600
Maybe it's how you approach the contractor. I had a high efficiency furnace and a few years later an air conditioner installed and had no problems getting a requirement into the contract that the ins
/archives//html/RFI/2013-05/msg00034.html (13,124 bytes)

42. Re: [RFI] ZCAT3035-1330 by TDK (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Thu, 20 Jun 2013 21:52:31 -0600
Martin, Look at Fair-Rite part 0446164181 which is 44 material and has almost the exact same specs and size as the TDK part. Go to http://www.fair-rite.com and enter the part #. 73, Larry, W0QE On 6/
/archives//html/RFI/2013-06/msg00045.html (7,765 bytes)

43. Re: [RFI] An inverter question or two. (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Fri, 21 Mar 2014 12:25:26 -0600
I have posted this many times in the past but the Cotek (Samlex) S150/S300 series of inverters are extremely quiet. They are heavy, generate a 60Hz sine wave (not a digitally pulse width version of a
/archives//html/RFI/2014-03/msg00092.html (9,208 bytes)

44. [RFI] Simple RFI Generator (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Wed, 26 Mar 2014 22:13:37 -0600
I have built several of these RFI generators to use for practice and thought I would document it. If you are interested please see http://www.w0qe.com/RF_Interference/simple_rfi_generator.html This s
/archives//html/RFI/2014-03/msg00214.html (7,231 bytes)

45. Re: [RFI] Shielded vs unshielded loops. (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Fri, 28 Mar 2014 11:42:54 -0600
Get out and build something rather than constantly talking about it. Larry, W0QE Not good for long distance, but gives good nulls. That was the info I was wanting: "good nulls". Thanks. shielded loop
/archives//html/RFI/2014-03/msg00255.html (8,735 bytes)

46. Re: [RFI] Grow-light.. (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Fri, 28 Mar 2014 12:26:44 -0600
Paul, I agree 100%. This reflector is filled with too many folks who post way too often about what they are going to do tomorrow. It would be much better if they did something first and then reported
/archives//html/RFI/2014-03/msg00256.html (10,716 bytes)

47. Re: [RFI] Link-coupled loop - more. (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Wed, 02 Apr 2014 08:47:10 -0600
Ken You are continuing to over think the DFing . I'm 100% sure I could find your noise sources relatively quickly. Why not try the following? 1.) Build a small noise generator (I posted one last week
/archives//html/RFI/2014-04/msg00026.html (13,549 bytes)

48. Re: [RFI] Link-coupled loop - more (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Wed, 02 Apr 2014 18:40:36 -0600
Your vertical whip coupled into the bottom fed loop works great for vertically polarized signals but does not work for horizontally polarized signals IMHO. Sorry if you think I was attacking you. I h
/archives//html/RFI/2014-04/msg00033.html (12,094 bytes)

49. Re: [RFI] Link-coupled loop - more (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Thu, 03 Apr 2014 09:06:29 -0600
Roger, I will make this my last comment on this topic. I thought about my comments of " a thousand hunts" and I certainly didn't do hunts 1 per week for 20 years. What I did do was to go out in the w
/archives//html/RFI/2014-04/msg00042.html (11,642 bytes)

50. Re: [RFI] ARRL to FCC... (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Sat, 26 Jul 2014 17:49:21 -0600
Dave, IMHO I think you post waaaaaaay too much!!!!!! Remember when all is said and done, more is said than is done. Larry I don't think I am being slightly paranoid at all. I think I am making a set
/archives//html/RFI/2014-07/msg00079.html (13,869 bytes)

51. Re: [RFI] Noisy transmitters...somewhat long... (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Tue, 23 Sep 2014 22:13:25 -0600
Jim (K9YC), Very nice job on your report last month. I did some work on a multi-transmitter Field Day site a coulple of years ago when I wanted to run 2 transmitters on the same band where W3NQN type
/archives//html/RFI/2014-09/msg00058.html (8,476 bytes)

52. Re: [RFI] Electric Fence pulsing (will get worse soon !) (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Wed, 22 Jul 2015 11:38:17 -0600
Egads Ken! 2650V with a 500 ohm load would be 5.3A which is 14,045 Watts. This is EXTREMELY unlikely :-) Wouldn't you agree? Larry, W0QE Large red box built by PARMAX. SOLAR PAK 6 Model DF-SP-L1 (Kan
/archives//html/RFI/2015-07/msg00041.html (11,509 bytes)

53. Re: [RFI] 40 Meter RFI Issue (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Sun, 27 Sep 2015 06:15:15 -0600
The Cotek S300-112 is quiet. Cotek and Samlex are the same company or divisions of the same company. I bought the S300 about 5 years ago and measured it with a LISN and spectrum analyzer and while I
/archives//html/RFI/2015-09/msg00040.html (8,868 bytes)

54. Re: [RFI] Compass Vectors (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Mon, 30 Nov 2015 18:38:16 -0700
scribblemaps.com Uses Google maps and is super easy to us. Larry, W0QE Karin K3UU Palm Harbor, FL _______________________________________________ RFI mailing list RFI@contesting.com http://lists.cont
/archives//html/RFI/2015-11/msg00027.html (6,991 bytes)

55. Re: [RFI] Blower noise from Carrier Furnace (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Thu, 28 Jan 2016 13:06:50 -0700
Ed, For years when buying nearly every electronic device I ask the store manager if he/she knows of any instance that the device I want to buy has previously caused radio frequency interference. I ha
/archives//html/RFI/2016-01/msg00093.html (15,461 bytes)

56. Re: [RFI] Solar Power RFI (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Fri, 29 Jan 2016 10:00:23 -0700
I posted a suggestion yesterday on this topic..... The paperwork they provide claims the inverter is Part 15B compliant - that said, I know there are a lot of legal clauses in the part that exempt a
/archives//html/RFI/2016-01/msg00103.html (7,507 bytes)

57. Re: [RFI] Coupling methods for RFI emission testing on SPS (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Tue, 9 Aug 2016 11:27:32 -0600
Jeff, Your method sounds a bit too "Rube Goldberg" for me. Assuming the RF interference is via common mode current radiating from external wires (reasonable assumption) the FCC limits for a part B de
/archives//html/RFI/2016-08/msg00053.html (13,048 bytes)

58. Re: [RFI] How very interesting... (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Thu, 25 Aug 2016 08:16:53 -0600
Dave, No Sh-t Sherlock!! This was a comment a guy I used to work with would say when someone touted something that was blatantly obvious! I have also felt this way for a few years. I built an active
/archives//html/RFI/2016-08/msg00137.html (9,692 bytes)

59. Re: [RFI] How very interesting... (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Thu, 25 Aug 2016 09:29:55 -0600
Probably a little of both Dave. I could tell you how cool it is to drive around watching the spectrum but you wouldn't fully appreciate it until you actually did it. This happens too often in life fo
/archives//html/RFI/2016-08/msg00145.html (12,740 bytes)

60. Re: [RFI] Frequency Shifting RFI (score: 1)
Author: Larry Benko <xxw0qe@comcast.net>
Date: Fri, 26 Aug 2016 18:43:19 -0600
Upper end of 80m This one is going to be difficult to find with a conventional receiver. Guess I am going to have to activate my SDRPlay from the car. https://youtu.be/626BWEsZA9I I can't make out th
/archives//html/RFI/2016-08/msg00165.html (7,818 bytes)

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