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References: [ +from:pfizenmayer@q.com: 28 ]

Total 28 documents matching your query.

1. [RFI] 160M RFI - 4 khz combs- (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Sat, 19 Dec 2015 14:33:21 -0500 (EST)
For several weeks I have been plagued with a comb of extremely stable , clean RF carriers spaced exactly 4 khz. At various times the comb might be only 4 or 5 carriers - at other times it will cover
/archives//html/RFI/2015-12/msg00075.html (8,850 bytes)

2. Re: [RFI] 160M RFI - 4 khz combs- (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Sat, 19 Dec 2015 23:45:59 -0500 (EST)
RE: the earlier message about 160 M carriers popping up with keying I found the following about VDSL2 : DMT divides signals into 247 separate channels, each 4 kilohertz (KHz, or 1,000 cycles per seco
/archives//html/RFI/2015-12/msg00077.html (8,483 bytes)

3. Re: [RFI] Dangerous Situation (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Mon, 25 Jan 2016 16:57:10 -0500 (EST)
A year ago I located a noisy pole - the RFI guys came out and confirmed it AND found a open neutral - told me thanks - it was dangerous as hell - The line crews were out in less than a half hour . Gu
/archives//html/RFI/2016-01/msg00068.html (7,154 bytes)

4. Re: [RFI] MFJ 5008 ultrasonic receiver (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Thu, 19 May 2016 14:46:04 -0400 (EDT)
Bob -- I built the ULAD that was in QST some years ago and bought a parabolic reflector from Edmunds --I can hear birds - crickets my steps walking down the alley - two finger rubbed together at 200
/archives//html/RFI/2016-05/msg00075.html (9,553 bytes)

5. Re: [RFI] LEDs et al (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Sat, 2 Jul 2016 04:13:27 -0400 (EDT)
I can hardly wait until AZ passes their "Recreational Marijuana " law - they just presented 250K signatures on petitions to get it on ballot . Part of the law is that everyone is entitled to have 6 p
/archives//html/RFI/2016-07/msg00008.html (7,552 bytes)

6. Re: [RFI] Regular birdies (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Wed, 28 Sep 2016 18:26:16 -0400 (EDT)
See if they are 4 khz apart on160 -- if so I bet they are ADSL carriers from your friendly teleco . They are clean carriers - and the number of them come and go as the system gets loaded or there is
/archives//html/RFI/2016-09/msg00102.html (8,200 bytes)

7. Re: [RFI] RFI from CATV line amps? (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Sun, 13 Nov 2016 16:49:22 -0500 (EST)
Tim - Thats the frequency range for reverse path from customer to the company - (sometimes up to 100 or 200 in some systems) but probably a bad coax shield break somewhere .Not sure of the technology
/archives//html/RFI/2016-11/msg00035.html (8,327 bytes)

8. [RFI] Solar Run Solar installations (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Fri, 27 Jan 2017 13:01:54 -0500 (EST)
Today a gaggle fo Soar Run trucks shgowed up across the street onehouse down-- I tried to ca ntact Solar Runand got a arun around but a Call back promise. Fires I asked if theinstall contract mention
/archives//html/RFI/2017-01/msg00052.html (7,737 bytes)

9. [RFI] [SUSPECTED SPAM] Re: SUNRUN Solar installations (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Fri, 27 Jan 2017 13:57:52 -0500 (EST)
Yep its SUNRUN __ dunno where I got Solar Run - I have SUNRUN onthe file card I wrote down standing by their truck. . Old man so damn fed up with RFI from everything iaround here and Centurylink carr
/archives//html/RFI/2017-01/msg00056.html (7,952 bytes)

10. [RFI] [SUSPECTED SPAM] Re: SunRun Solar installations (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Fri, 27 Jan 2017 14:22:39 -0500 (EST)
Well got a call back from a technical wizard who said they had already called their installers about being quiet !!!!!! Then more conversation and I was informed that I would not be able to hear thei
/archives//html/RFI/2017-01/msg00058.html (8,450 bytes)

11. [RFI] 4 khz comb from Centurylink ADSL-2 (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Wed, 1 Mar 2017 15:06:00 -0500 (EST)
I ahve seen nothing on this reflector about carriers every 4 khz from Centurylink ADSL2 systems . (or any other system) Here is my short version of about 75 days with Clink. A year ago Clink finally
/archives//html/RFI/2017-03/msg00010.html (12,944 bytes)

12. Re: [RFI] 4 khz comb from Centurylink ADSL-2- retry with paragraphs back in. (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Wed, 1 Mar 2017 15:14:21 -0500 (EST)
Amazing - Email Client removed all paragraphs - here is another try - fingers crossed. -- Original Message -- _______________________________________________ RFI mailing list RFI@contesting.com http:
/archives//html/RFI/2017-03/msg00011.html (13,993 bytes)

13. [RFI] 4khz Spectrum comb ADSL2 one last try composed as text (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Wed, 1 Mar 2017 15:25:59 -0500 (EST)
If this does not work I give up - I apologize for this mess -- Hank K7HP I have seen nothing on this reflector about carriers every 4 khz from Centurylink ADSL2 systems . (or any other system) Here i
/archives//html/RFI/2017-03/msg00012.html (10,662 bytes)

14. Re: [RFI] 4khz Spectrum comb ADSL2 one last try composed as text (score: 1)
Author: HankP <pfizenmayer@q.com>
Date: Thu, 2 Mar 2017 16:46:59 -0500 (EST)
HI Gordon -- I have read about the 4.3125 standard spacing - This Clink system is within a hz of 4 khz, for instance 7007.783 , 7011.783 .. There now happens to be another set also spaced exactly 4 k
/archives//html/RFI/2017-03/msg00017.html (16,853 bytes)

15. Re: [RFI] "New" RFI - solution? (score: 1)
Author: HP <pfizenmayer@q.com>
Date: Wed, 3 May 2017 16:35:49 -0400 (EDT)
Just recently had one more intermittent than yours - Called the APS RFI guy and they now have a neat RX they connect to your feedline and make a screen shot of the waveform - then go looking for a ma
/archives//html/RFI/2017-05/msg00017.html (8,144 bytes)

16. [RFI] Broadband RFI... (score: 1)
Author: HP <pfizenmayer@q.com>
Date: Tue, 12 Sep 2017 17:17:53 -0400 (EDT)
I have a source down the alley which creates broadband "hiss" I can not detect any line frequency related or any discrete frequency components either audibly or on a scope or on a panadapter. It appe
/archives//html/RFI/2017-09/msg00001.html (7,385 bytes)

17. Re: [RFI] Growing RFI problem from Solar systems - Sun Run ??? (score: 1)
Author: HP <pfizenmayer@q.com>
Date: Sat, 11 Nov 2017 22:19:23 -0500 (EST)
Anybody have any TECHNICAL contacts for SunRun. When I contacted the California home office I got absolutely nowhere - unless you count them calling the installers and tell them I was complaining abo
/archives//html/RFI/2017-11/msg00010.html (9,405 bytes)

18. [RFI] ADSL carrier frequencies (score: 1)
Author: HP <pfizenmayer@q.com>
Date: Wed, 10 Jan 2018 01:35:36 -0500 (EST)
Are there any ADSL gurus out there who can help me understand what is going on . Everything I read about DMT ADSL is that the subcarriers are 4.3125 khz. spacing . Also the comment is that it will ap
/archives//html/RFI/2018-01/msg00009.html (7,885 bytes)

19. Re: [RFI] LED lights to avoid (score: 1)
Author: HP <pfizenmayer@q.com>
Date: Sun, 28 Jan 2018 20:25:46 -0500 (EST)
Another "data" point on LED bulbs Yesterday one of the old curly que CFL bulbs started "arcing" at turn on for a few min in garage door opener and door opener would not operate from car tx and noisy
/archives//html/RFI/2018-01/msg00122.html (8,649 bytes)

20. Re: [RFI] Variable Color LED Grow lights (score: 1)
Author: HP <pfizenmayer@q.com>
Date: Mon, 29 Jan 2018 01:42:24 -0500 (EST)
Anyone have any experience with RFI suppression of these variable color LED grow lights ? At first glance it seems it should be easier to suppress than sodium vapor or metal halide lights . The LEDs
/archives//html/RFI/2018-01/msg00124.html (9,653 bytes)


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