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1. Re: [Amps] THANK YOU!!! Re: dumb query about fuses (maybe!) (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Tue, 12 May 2009 17:16:39 -0500
The UL experts, told us not to use glass fuses on our consumer designs. Go with ceramic. Mark N1UK _______________________________________________ Amps mailing list Amps@contesting.com http://lists.c
/archives//html/Amps/2009-05/msg00065.html (9,002 bytes)

2. Re: [Amps] I need transfer switch information (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Mon, 10 Aug 2009 10:53:18 -0400
Do not lose your generator Neutral connection or you will end up applying 240V across your 115V appliances. _______________________________________________ Amps mailing list Amps@contesting.com http:
/archives//html/Amps/2009-08/msg00222.html (9,646 bytes)

3. Re: [Amps] 240V Outlet (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Mon, 10 Aug 2009 12:16:09 -0400
Yes Gary, I agree,. Which is why the English 240V 13amp plug has a replaceable fuse built into the plug to protect the individual appliance. Mark N1UK I disagree. The nec is only concerned about the
/archives//html/Amps/2009-08/msg00225.html (12,277 bytes)

4. Re: [Amps] TENTEC TITAN 425 price? (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 19 Aug 2009 20:44:50 -0400
Hi Budi, I think that the price depends upon the condition. There are several variations in the colour scheme of these amps. I have seen the price vary from $1500 to $2800. I just bought a Gold serie
/archives//html/Amps/2009-08/msg00358.html (8,078 bytes)

5. Re: [Amps] TENTEC TITAN 425 price? (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 20 Aug 2009 07:30:39 -0400
Hi Jim, What were the differences incorporated in the later 425 models to allow 30m operation? 73 Mark N1UK _______________________________________________ Amps mailing list Amps@contesting.com http
/archives//html/Amps/2009-08/msg00365.html (9,685 bytes)

6. Re: [Amps] TL-922 on 17 Meters (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 24 Sep 2009 20:08:43 -0500
I have used my TL-9922A on 17m. I use the 15m position and my plate is at the 2 o'clock position and the load is at setting 4. I get a good output but after a little use I have noticed a burning smel
/archives//html/Amps/2009-09/msg00287.html (8,433 bytes)

7. Re: [Amps] Vernier knobs? (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Fri, 2 Oct 2009 19:15:47 -0500
You used to see them on old analog scopes Mark N1UK _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2009-10/msg00032.html (9,271 bytes)

8. Re: [Amps] TL922 Power Plugs (score: 1)
Author: markrob@mindspring.com
Date: Thu, 29 Oct 2009 10:23:36 -0500 (GMT-05:00)
My TL-922A has been running on 220V connected to L1, L2 and gnd since I have had it. No need for a Neutral connection. In fact in my house all the Neutral wires are connected to the gnd bus bar at th
/archives//html/Amps/2009-10/msg00351.html (9,919 bytes)

9. Re: [Amps] TL922 Power Plugs (score: 1)
Author: markrob@mindspring.com
Date: Thu, 29 Oct 2009 14:20:19 -0400 (EDT)
Yes it is even the practice here in NC Mark --Original Message-- _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amp
/archives//html/Amps/2009-10/msg00353.html (8,309 bytes)

10. Re: [Amps] TL922 Power Plugs (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Tue, 3 Nov 2009 10:32:57 -0600
My Neutral and Ground is connected at the main panel but also at the barn 300 feet away. I am running a 3 wire 100 amp 240v power 4 00 aluminum line to the barn from a 100 amp 240v breaker located in
/archives//html/Amps/2009-11/msg00017.html (10,276 bytes)

11. Re: [Amps] TL922 Power Plugs (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Tue, 3 Nov 2009 11:08:14 -0600
Grounding conductors shall not be connected to a terminal bar provided for grounded conductors (may be a neutral) unless the bar is identified for the purpose and is located where interconnection bet
/archives//html/Amps/2009-11/msg00021.html (15,067 bytes)

12. Re: [Amps] what is a 4 wire 240VAC service? (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sun, 3 Apr 2011 22:51:41 -0400
It is a lot safer. They use isolation transformers and 115V on building sites in the UK. UK code will not allow light switches in a bathroom. It either has to be a string pull switch in the bathroom
/archives//html/Amps/2011-04/msg00062.html (9,648 bytes)

13. Re: [Amps] what is a 4 wire 240VAC service? (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Mon, 4 Apr 2011 00:02:20 -0400
Brown is live in the UK wiring scheme. Blue is Neutral It used to be red and black before being changed to brown and blue. Mark N1UK _______________________________________________ Amps mailing list
/archives//html/Amps/2011-04/msg00068.html (9,127 bytes)

14. Re: [Amps] what is a 4 wire 240VAC service (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 6 Apr 2011 16:27:33 -0400
Of course the standard is different in the UK. The switch is down for on and up for off. Amazing how no-one can develop a standard for even the simplest of things. Mark N1UK _________________________
/archives//html/Amps/2011-04/msg00248.html (10,971 bytes)

15. Re: [Amps] DeoxIT grease on roller inductors? (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sun, 14 Aug 2011 21:14:07 -0400
The only place that I have used it, is on the long rod that the moving contact wheel runs up and down on. It made the action a lot smoother. Mark N1UK _______________________________________________
/archives//html/Amps/2011-08/msg00066.html (7,556 bytes)

16. [Amps] TL922A Woes (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Mon, 31 Oct 2011 19:48:52 -0400
It looks like my TL922A bit the dust this evening. I switched it on. noticed a nasty smell and observed the Ip meter sitting at 0.15 A all the time, even when in standby. The Ig meter seems to be pin
/archives//html/Amps/2011-11/msg00001.html (6,767 bytes)

17. [Amps] TL922A Choke Alternative (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 9 Nov 2011 11:56:09 -0500
I am repairing my TL922A after a grid to filament shorted tube. I found that one of the grid to ground rf chokes appears to be short circuited - it measures around 0.1 ohms. It looks darker than the
/archives//html/Amps/2011-11/msg00037.html (8,067 bytes)

18. Re: [Amps] Anti-Corona Paint (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Tue, 27 Dec 2011 04:24:41 -0500
Google is your friend..... http://www.glyptal.com/Glyptal_Product_Data_Sheets.htm http://www.glyptal.com/9921Tech.pdf http://www.caswellplating.com/aids/glyptal.html Mark N1UK -- Original Message --
/archives//html/Amps/2011-12/msg00222.html (8,694 bytes)

19. [Amps] Multiple Amplifier Switching Box (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 22 Aug 2012 18:43:32 -0400
I am planning on building a switching box, so that my hf transceiver can drive one of three linear amplifiers. I have some Omron 24V contactors MP2-24VDC. These are rated at 25A resistive 277 VAC. Th
/archives//html/Amps/2012-08/msg00351.html (7,092 bytes)

20. Re: [Amps] Multiple Amplifier Switching Box (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sat, 25 Aug 2012 18:33:07 -0400
Yes Krish has got the idea. I worked a station the other day who had built a similar box and he was able to transmit through one amp and then drop transmission for half a second and come back on the
/archives//html/Amps/2012-08/msg00420.html (13,455 bytes)

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