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References: [ +from:Thomas: 218 ] [ Giella: 42 ]

Total 16 documents matching your query.

1. [AMPS] Parallel Network (score: 383)
Author: Thomas Giella, KN4LF" <kn4lf@earthlink.net (Thomas Giella, KN4LF)
Date: Wed, 20 Feb 2002 09:43:33 -0500
Tom W8JI Said: The main difference between all of these is the T would have the widest impedance matching range of all three choices, and the L the poorest impedance matching range for a given maximu
/archives//html/Amps/2002-02/msg00209.html (7,846 bytes)

2. Re: [Amps] HEathkit SB-1000 Arcing (score: 226)
Author: "Thomas F Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Sat, 1 Dec 2012 12:14:37 -0500
Hi Phil nice to hear from you. Merry Christmas to you and yours. I'm aware of Danny but I sold the SB-1000 for $350. It's no biggy as I already have two AL-80B's in the closet. I've been doing QRP on
/archives//html/Amps/2012-12/msg00005.html (18,929 bytes)

3. Re: [Amps] AL-811 & 572's (score: 214)
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Sat, 22 Jan 2011 07:53:16 -0500
Thanks for the input guys. I'm aware of the limitations of the power supply on the AL-811. I was looking for performance information about the 572B tube itself. 73 & GUD DX, Thomas F. Giella, NZ4O La
/archives//html/Amps/2011-01/msg00227.html (8,996 bytes)

4. [Amps] For Sale Amp Supply LA-1000A (score: 192)
Author: "Thomas Giella KN4LF" <kn4lf@tampabay.rr.com>
Date: Fri, 29 Oct 2004 08:30:37 -0400
For Sale Amp Supply LA-1000A linear amplifier. 160-15 meters. 700 watts output on CW on 120 volts, 800 watts on 240 volts. Comes with original manual. Price is $300 plus shipping. Operational conditi
/archives//html/Amps/2004-10/msg00502.html (7,675 bytes)

5. [Amps] Small Variac Source (score: 192)
Author: "Thomas Giella KN4LF" <kn4lf@tampabay.rr.com>
Date: Thu, 24 Feb 2005 10:24:36 -0500
John et all, Marlin P. Jones in Florida.http://www.mpja.com 73 & GUD DX, Thomas F. Giella, KN4LF Retired Space & Atmospheric Weather Forecaster Plant City, FL, USA Grid Square EL87WX Lat & Long 27 58
/archives//html/Amps/2005-02/msg00736.html (7,573 bytes)

6. [Amps] Sunspots gone? (score: 192)
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Thu, 24 Sep 2009 15:19:15 -0400
Check out my web page NZ4O Solar Cycle 24 Forecast Discussion & Archive: http://www.wcflunatall.com/nz4o4.htm . I have a forecast for solar cycle 24 and some discussions on a possible Dalton Minimum
/archives//html/Amps/2009-09/msg00280.html (8,723 bytes)

7. [Amps] Right Angle UHF Connector & Black Rope (score: 192)
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Mon, 23 Nov 2009 09:12:33 -0500
I use Buxx Com http://www.packetradio.com for all of my parts as they have reasonable prices and outstanding customer service. They have the right angle UHF connector and UV resistant black rope. 73
/archives//html/Amps/2009-11/msg00239.html (7,027 bytes)

8. [Amps] Does Ameritron have the industrys worse customer service? (score: 192)
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Fri, 18 Dec 2009 13:45:09 -0500
Carl KM1H asked: Does Ameritron have the industrys worse customer service? Thomas NZ4O says: That question is an understatement. I have had bad experiences communicating with Ameritron via email and
/archives//html/Amps/2009-12/msg00445.html (8,583 bytes)

9. [Amps] AL-811 & 572's (score: 192)
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Fri, 21 Jan 2011 12:50:06 -0500
I have an AL-811 running 572B's instead of 811's. The manual says for RTTY mode to use a maximum of 150 ma on the grid and 400 ma on the plate for the 811's. What would be the maximum grid and plate
/archives//html/Amps/2011-01/msg00216.html (6,835 bytes)

10. Re: [Amps] AL-811 & 572's (score: 192)
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Fri, 11 Feb 2011 16:46:33 -0500
Martin I own an AL-811 with three 572B's and get 800 watts out PEP easily on SSB but run it at 400 watts PEP. I own an AL-811H with four 572B's and get 900 watts out PEP easily on SSB but run it at 6
/archives//html/Amps/2011-02/msg00099.html (8,935 bytes)

11. [Amps] Heathkit SB-1000 On RTTY (score: 192)
Author: "Thomas F Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Mon, 24 Sep 2012 11:57:06 -0400
I have a Heathkit SB-1000 amplifier with the single 3-500Z. The manual for the Heathkit SB-1000 says a maximum plate current of 400 mA for CW and 550 mA on SSB. What would be a safe maximum plate cur
/archives//html/Amps/2012-09/msg00276.html (7,392 bytes)

12. [Amps] Heathkit SB-1000 Arcing (score: 192)
Author: "Thomas F Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Fri, 23 Nov 2012 08:24:39 -0500
I have an old Heathkit SB-1000 made in 1989. It has a new 3-500Z tube and new power supply capacitors. The amplifier has developed and internal arc somewhere but I can't locate visually locate it. Wh
/archives//html/Amps/2012-11/msg00156.html (8,026 bytes)

13. [Amps] Heathkit SB-1000 Arcing (score: 192)
Author: "Thomas F Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Sun, 25 Nov 2012 19:39:55 -0500
Thanks much for the responses. I checked everything suggested but no joy. I even resoldered all connections. The capacitors were put in by a previous owner and are supposed to be new. They checked ou
/archives//html/Amps/2012-11/msg00168.html (8,037 bytes)

14. [Amps] New Ameritron AL-80B Tune Up (score: 192)
Author: "Thomas F. Giella W4HM" <thomasfgiella@gmail.com>
Date: Mon, 15 Aug 2016 19:01:38 -0400
I purchased a new Ameritron AL-80B and the manual is not totally clear to me as far as tuning it up without damaging the 3-500Z, especially how to set the ALC to prevent overdriving. Could someone th
/archives//html/Amps/2016-08/msg00031.html (7,169 bytes)

15. [Amps] AL-80B Problem (score: 192)
Author: "Thomas F. Giella" <thomasfgiella@gmail.com>
Date: Wed, 23 Jan 2019 12:10:55 -0500
I have an Ameritron AL-80B amplifier that has developed a problem. The plate and grid meter values will intermittently change. The grid lg value goes from 0 to off scale in the negative and the plate
/archives//html/Amps/2019-01/msg00112.html (7,281 bytes)

16. Re: [Amps] AL-80B Problem (score: 192)
Author: "Thomas F. Giella" <thomasfgiella@gmail.com>
Date: Thu, 24 Jan 2019 10:50:45 -0500
I have an Ameritron AL-80B amplifier that has developed a problem. The plate and grid meter values will intermittently change. The grid lg value goes from 0 to off scale in the negative and the plate
/archives//html/Amps/2019-01/msg00115.html (7,094 bytes)

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