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Total 171 documents matching your query.

1. Re: LF: CW on 136.8kHz now (score: 1)
Author: Chris Wilson <[email protected]>
Date: Sat, 4 Apr 2015 15:24:06 +0100
Cracking signal here Mike: http://www.chriswilson.tv/mike.jpg Best Regards, Chris Wilson. 2E0ILY
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-04/msg00031.html (9,065 bytes)

2. Re[2]: LF: 630M WSPR T/A - WSPR-15? (score: 1)
Author: Chris Wilson <[email protected]>
Date: Tue, 26 May 2015 10:08:53 +0100
Hello Luis, Tuesday, May 26, 2015 Are there any command line switches needed to do this please Luis? Do you run one .exe file but in different targets? Any chance of a screenshot of how you set this
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-05/msg00249.html (11,383 bytes)

3. Re[4]: LF: 630M WSPR T/A - WSPR-15? (score: 1)
Author: Chris Wilson <[email protected]>
Date: Tue, 26 May 2015 12:12:59 +0100
Hello VIGILANT, Tuesday, May 26, 2015 That's perfect Luis, I have had problems with multiple instances of other software before, so felt it may have been prudent to ask. I am glad I did, and thank yo
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-05/msg00252.html (12,076 bytes)

4. LF: IDC-136-BLT 136kHz receivers (score: 1)
Author: Chris Wilson <[email protected]>
Date: Thu, 4 Jun 2015 13:17:22 +0100
04 June 2015 I ordered one of these yesterday as I am getting tired of tying up my TS-590 just listening on LF. I think a few people here may have used these, what are your opinions of them please? h
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-06/msg00045.html (9,235 bytes)

5. Re[2]: LF: IDC-136-BLT 136kHz receivers (score: 1)
Author: Chris Wilson <[email protected]>
Date: Thu, 4 Jun 2015 14:25:41 +0100
Hello Andy, Thursday, June 4, 2015 I think they also do an IQ version, not sure if it's currently available. I don't suppose the other IC is a direct swap is it? Thanks. -- Best regards, Chris mailto
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-06/msg00050.html (10,994 bytes)

6. Re: LF: test (score: 1)
Author: Chris Wilson <[email protected]>
Date: Mon, 29 Jun 2015 09:55:23 +0100
Hello DAVE, Monday, June 29, 2015 Yes, 5 and 9 from 2E0ILY -- Best regards, Chris mailto:[email protected]
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-06/msg00175.html (8,344 bytes)

7. Re: LF: G4CNN's transmitter (score: 1)
Author: Chris Wilson <[email protected]>
Date: Sun, 5 Jul 2015 21:55:11 +0100
Hello DAVE, Sunday, July 5, 2015 Mail sent, if it's still available I am happy to give a sensible and none derisory donation, and can collect, I am struggling to find the time to complete a build of
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00040.html (10,733 bytes)

8. LF: Power monitoring at LF? (score: 1)
Author: Chris Wilson <[email protected]>
Date: Mon, 20 Jul 2015 16:18:29 +0100
20 July 2015 Do any Bird elements give meaningful readings down at 136kHz? If not are there any commercial alternatives to building something? Thanks. -- Best regards, Chris mailto:chris@chriswilson.
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00088.html (8,391 bytes)

9. Re: LF: RE: RE: Power monitoring at LF? (score: 1)
Author: Chris Wilson <[email protected]>
Date: Mon, 3 Aug 2015 08:45:13 +0100
Hello Clemens, Tuesday, July 21, 2015 Thanks Clemens, and all those who replied. I'm investigating the LP100A as it seems a very useful piece of kit, generally, as well as being available for 136kHz.
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-08/msg00007.html (10,031 bytes)

10. LF: Protecting a MOSFET driver chip from MOSFET failure? (score: 1)
Author: Chris Wilson <[email protected]>
Date: Mon, 10 Aug 2015 13:09:54 +0100
10 August 2015 Is there a way of protecting a typical MOSFET driver IC from being taken out by a MOSFET failure in a Class E LF amp? I was experimenting with drive level into my G3YXM 1kW 136 kHz amp
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-08/msg00088.html (10,997 bytes)

11. Re[2]: LF: Protecting a MOSFET driver chip from MOSFET failure? (score: 1)
Author: Chris Wilson <[email protected]>
Date: Mon, 10 Aug 2015 15:24:46 +0100
Hello Andy, Monday, August 10, 2015 Thanks for the replies gentlemen! Would I need to make any other circuit changes to capacitively couple the gates? With the gates individually driven from separate
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-08/msg00093.html (12,328 bytes)

12. Re[2]: LF: Protecting a MOSFET driver chip from MOSFET failure? (score: 1)
Author: Chris Wilson <[email protected]>
Date: Mon, 10 Aug 2015 15:59:53 +0100
Hello Rik, Monday, August 10, 2015 Hi Rik, thanks for that, I link to a `scope shot of the gate waveform, taken with a X10 probe, but the `scope does not auto compensate, so an 8V P to P signal I bel
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-08/msg00095.html (12,055 bytes)

13. Re[2]: LF: Protecting a MOSFET driver chip from MOSFET failure? (score: 1)
Author: Chris Wilson <[email protected]>
Date: Mon, 10 Aug 2015 16:28:53 +0100
Hello Andy, Monday, August 10, 2015 OK, thanks and sorry for the naive questions, lots to learn, I was amused by my friend calling power FET's "Fire Emitting Transistors". I see his point now, they d
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-08/msg00097.html (11,976 bytes)

14. Re: LF: 1 5 8 (score: 1)
Author: Chris Wilson <[email protected]>
Date: Sat, 15 Aug 2015 20:11:17 +0100
Hello Mal, Saturday, August 15, 2015 I just stuck 1.5.8 on my server if you want to grab it from there? http://www.chriswilson.tv/Opera.zip -- Best regards, Chris mailto:[email protected]
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-08/msg00136.html (8,653 bytes)

15. Re[2]: LF: Ground (score: 1)
Author: Chris Wilson <[email protected]>
Date: Tue, 22 Sep 2015 19:49:15 +0100
Hello Mike, Tuesday, September 22, 2015 Out here in the sticks I used to buy 2 meter long heavy galvanised angle iron ground stakes from the electric fencing people, but today I found they have gone
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-09/msg00093.html (10,736 bytes)

16. Re: LF: LF Ground (score: 1)
Author: Chris Wilson <[email protected]>
Date: Thu, 24 Sep 2015 15:57:44 +0100
Hello John, Thursday, September 24, 2015 Not an option here, it's all plastic.... :( -- Best regards, Chris 2E0ILY mailto:[email protected]
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-09/msg00111.html (8,465 bytes)

17. LF: Active antennas on 136kHz, additional wire needed? (score: 1)
Author: Chris Wilson <[email protected]>
Date: Tue, 29 Sep 2015 13:13:49 +0100
29 September 2015 A friend bought me an active RX antenna, a PA0RDT clone, from Ebay: http://www.ebay.co.uk/itm/111719689171?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT as a gift for s
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-09/msg00178.html (9,570 bytes)

18. Re: LF: Active antennas on 136kHz, additional wire needed? (score: 1)
Author: Chris Wilson <[email protected]>
Date: Tue, 29 Sep 2015 14:08:06 +0100
Tuesday, September 29, 2015 OK, I will try it as is first. I will see how much RG-58 I have and where it will allow me to put it. Luckily we are electrically quite quiet round here, unless a farm has
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-09/msg00183.html (10,079 bytes)

19. Re[2]: LF: Re: Active antennas on 136kHz, additional wire needed? (score: 1)
Author: Chris Wilson <[email protected]>
Date: Tue, 29 Sep 2015 14:22:22 +0100
Hello rsgb, Tuesday, September 29, 2015 Thanks for the info "from the horse's mouth", and I sympathize with your predicament of people selling your design commercially. In this case I just received a
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-09/msg00184.html (11,778 bytes)

20. LF: Do mains toroidal transformer cores have any use at LF / MF? (score: 1)
Author: Chris Wilson <[email protected]>
Date: Fri, 2 Oct 2015 11:20:09 +0100
02 October 2015 A business I have some dealing with are about to weigh in quite a few small, medium and large mains toroidal transformers. Do the cores of mains transformers have any useful re-purpos
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-10/msg00014.html (9,138 bytes)


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