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References: [ +from:grants2@pacbell.net: 49 ]

Total 49 documents matching your query.

41. Re: [RFI] tracking RFI with a marine direction finder (score: 1)
Author: Grant Saviers <grants2@pacbell.net>
Date: Thu, 28 Jan 2021 07:36:50 -0800
One RDF not mentioned, that was my favorite on board, is the Lokata 7 hand held with a very good built in compass. LF (marine/aero) and BCB only with digital frequency readout. https://www.ebay.com/i
/archives//html/RFI/2021-01/msg00143.html (12,828 bytes)

42. Re: [RFI] [External] Re: Wireless Power Transfer with electric vehicles (score: 1)
Author: Grant Saviers <grants2@pacbell.net>
Date: Tue, 20 Apr 2021 15:51:37 -0700
Before C-19 I was in Germany - wall to wall solar panels. Electricity residential rate 6/2020 $0.387 per KWH and going up. Back a bit, they had 3 days, no wind and clouds. Fortunately the French nuke
/archives//html/RFI/2021-04/msg00181.html (21,051 bytes)

43. Re: [RFI] Radar Engineers Model 251 Parabolic dimensions? (score: 1)
Author: Grant Saviers <grants2@pacbell.net>
Date: Sat, 8 May 2021 08:35:05 -0700
RE dish choices: Really nice looking and cheap and light, available at Walmart, Amazon,.. $22 > $25 AUDUBON NACLBAF16 Clear Squirrel Baffle, 16-Inch Has anybody measured the profile, focal length, et
/archives//html/RFI/2021-05/msg00019.html (11,560 bytes)

44. Re: [RFI] Maintaining 50 Ohms... (score: 1)
Author: Grant Saviers <grants2@pacbell.net>
Date: Sat, 18 Sep 2021 08:39:01 -0700
For Tx antennas the power rating of the resistor is the limiting factor. For "nominal" QRO @ 50 ohms, about 300 volts RF so 68K ohms would dissipate 1.32 watts @ 100% duty cycle. Allen Bradley 2w car
/archives//html/RFI/2021-09/msg00048.html (9,489 bytes)

45. Re: [RFI] ft240 Designation (score: 1)
Author: Grant Saviers <grants2@pacbell.net>
Date: Wed, 10 Nov 2021 14:24:34 -0800
No standards AFAIK, similar performance ferrites from different makers have different names. Or one might say there are so many standards that every body can have their own. One text will use one mak
/archives//html/RFI/2021-11/msg00014.html (8,723 bytes)

46. Re: [RFI] RFI from arcing power pole 1.1 miles away (video capture of the arc) (score: 1)
Author: Grant Saviers <grants2@pacbell.net>
Date: Mon, 20 Dec 2021 15:26:47 -0800
What also got a fast reaction (next day) was a safety issue. A cut and loose pole ground wire in my case (Cu theft). Filed as a normal complaint, PSE upgraded it and requested that such problems be r
/archives//html/RFI/2021-12/msg00075.html (12,748 bytes)

47. Re: [RFI] IR Illuminator for Security Cameras (score: 1)
Author: Grant Saviers <grants2@pacbell.net>
Date: Mon, 31 Jan 2022 08:23:49 -0800
I have about 130 FEIT/Costco LED 4' T8 type in my shop/shack. No RFI problems 160 > 2m. Early FEIT LEDs btw show superb MTBF, >50k hrs. A variety of fixture ballasts left in. One of 8 3 bulb troffer
/archives//html/RFI/2022-01/msg00071.html (15,798 bytes)

48. Re: [RFI] Led swing arm desk lamps (score: 1)
Author: Grant Saviers <grants2@pacbell.net>
Date: Mon, 11 Jul 2022 08:25:57 -0700
I have 6 of these spread around my shop and haven't noticed RFI. The cord is a bit short, otherwise they are super lights. The magnet is some high energy version that sticks well and replaced some sw
/archives//html/RFI/2022-07/msg00005.html (8,506 bytes)

49. Re: [RFI] Choosing a POE in a RF-rich environment (score: 1)
Author: "F. Grant Saviers" <grants2@pacbell.net>
Date: Sun, 21 May 2023 03:03:52 +0000 (UTC)
An example of unexpected results with ethernet cables.  I replaced a  unshielded CAT5 with shielded CAT6 and RFI from the new cable was substantially higher.  It was inside my steel shop/shack.  Less
/archives//html/RFI/2023-05/msg00007.html (8,500 bytes)


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