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Total 53 documents matching your query.

41. Topband: New Orange thread locker (score: 1)
Author: "Jim Thomson" <jim.thom@telus.net>
Date: Mon, 1 Jun 2020 09:27:43 -0700
Strength of red thread locker...but the ease of removal, of blue thread locker. This may well be the ultimate solution for some applications involving high vibration. Made by Permatex. https://www.pe
/archives//html/Topband/2020-06/msg00001.html (6,803 bytes)

42. Topband: Fw: Some experiments with a short beverage, not (score: 1)
Author: "Jim Thomson" <jim.thom@telus.net>
Date: Wed, 1 Jul 2020 09:56:56 -0700
<Receive antennas are all about S/N ratio not signal strength. They will be significantly down but should be much quieter. <Cecil <K5DL .5 wavelength long on 160m, and only 1 wavelength long on 80m.
/archives//html/Topband/2020-07/msg00004.html (7,602 bytes)

43. Topband: CQ Zones (score: 1)
Author: "Jim Thomson" <jim.thom@telus.net>
Date: Wed, 10 Mar 2021 08:38:08 -0800
You folks using CW have a HUGE advantage over the SSB operator. And folks using a remote RX have a bigger advantage over everybody. And hams, who live on 5-10 acres out in the bush....have a huge adv
/archives//html/Topband/2021-03/msg00079.html (7,220 bytes)

44. Topband: Unsubscribing (score: 1)
Author: "jim.thom jim.thom@telus.net" <jim.thom@telus.net>
Date: Sat, 18 Sep 2021 09:31:19 -0700
RX...while TX'ing at home. Jim VE7RF Hi all, It is with some sadness that I have to tell you that this will be my last post on Topband, after a presence of 24 years, including my activity as ZS5K. 73
/archives//html/Topband/2021-09/msg00063.html (8,321 bytes)

45. Topband: 1/4 wave sloper..aka half sloper. (score: 1)
Author: "jim.thom jim.thom@telus.net" <jim.thom@telus.net>
Date: Tue, 11 Jan 2022 14:00:22 -0800
Have any of you folks used, or tried a half sloper.... aka 1/4 wave sloper ? Loaded or otherwise ? I'm talking about say terminated up 80-90' up a tower. I have used slopers on 75m with reasonable su
/archives//html/Topband/2022-01/msg00079.html (6,666 bytes)

46. Topband: 1:2 UNUN (score: 1)
Author: "jim.thom jim.thom@telus.net" <jim.thom@telus.net>
Date: Tue, 18 Jan 2022 09:11:55 -0800
< Perhaps a "hair pin" match? I used a hair pin coil at the base of a vertical that was 35 ohms. <73, Mike WA5POK the coil for 1:1 swr. The coil will also DC ground the vertical. Dead simple. provide
/archives//html/Topband/2022-01/msg00111.html (8,428 bytes)

47. Topband: Series LC to notch AM broadcast ? (score: 1)
Author: "jim.thom jim.thom@telus.net" <jim.thom@telus.net>
Date: Sun, 20 Feb 2022 09:41:55 -0800
Has anybody tried using a simple series L-C to notch out ONE offending AM broadcast station ? I'm talking about wiring from hot side of coax...to chassis / ground....like via a T connector etc. On pa
/archives//html/Topband/2022-02/msg00082.html (8,397 bytes)

48. Topband: 1940 kHz intermod from WRRU and WKDM (score: 1)
Author: "jim.thom jim.thom@telus.net" <jim.thom@telus.net>
Date: Sat, 7 Jan 2023 09:35:23 -0800
<We've figured out the mystery, now we need to determine if anyone is <being harmed by the weak, intermittent intermod on 1940 kHz <73 <Frank <W3LPL Problem is most AM / FM stations these days all co
/archives//html/Topband/2023-01/msg00050.html (7,834 bytes)

49. Topband: (no subject) (score: 1)
Author: "jim.thom jim.thom@telus.net" <jim.thom@telus.net>
Date: Sat, 22 Apr 2023 16:09:41 -0700
<Eric, <I live about 3/4 mile from the multiplexed stations KKMS/WWTC (980 & 1280) <here in MN and they are all over the ham bands in my receivers. <Phil, KB0NES notch filter, like a high Q type...wi
/archives//html/Topband/2023-04/msg00039.html (7,130 bytes)

50. Topband: ICE Model 135B Preamp (score: 1)
Author: "jim.thom jim.thom@telus.net" <jim.thom@telus.net>
Date: Wed, 8 Nov 2023 16:52:25 -0800
<On those ICE preamps, check the small dipped inductors, because they <can blow open if the preamp is exposed to a high enough RF field. If <your preamp is on a rx antenna and you are transmitting wi
/archives//html/Topband/2023-11/msg00046.html (7,480 bytes)

51. Topband: Remotes (score: 1)
Author: "jim.thom jim.thom@telus.net" <jim.thom@telus.net>
Date: Mon, 5 Feb 2024 09:30:30 -0800
away is..'ok', yet using a simple remote RX, say 10- 100 miles away, while transmitting from your own backyard, is a 'no-no'. I can't hear worth beans from my own qth, yet 100 miles north of me, my d
/archives//html/Topband/2024-02/msg00001.html (8,672 bytes)

52. Re: Topband: B7P (score: 1)
Author: "jim.thom jim.thom@telus.net" <jim.thom@telus.net>
Date: Thu, 4 Apr 2024 10:57:01 -0700
<That sure seems to be the case, Bob. Heck, even on 40 meters I have found <myself calling loud Chinese stations in vain. My dipole at 45ft just <doesn't cut it. It must be that there aren't very man
/archives//html/Topband/2024-04/msg00025.html (8,079 bytes)

53. Re: Topband: B7P (score: 1)
Author: "jim.thom jim.thom@telus.net" <jim.thom@telus.net>
Date: Wed, 10 Apr 2024 10:15:37 -0700
I have a 402CD ready to go once I get another tower up. We'll see how that works :-) 73, Mike W4EF............. I got to use it one night..summertime, while passing through their neck of the woods. T
/archives//html/Topband/2024-04/msg00029.html (8,687 bytes)

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