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Total 53 documents matching your query.

21. [Amps] Mod prob? (score: 1)
Author: StephenTetorka@cs.com
Date: Fri, 3 Jun 2005 15:27:02 EDT
Hi all: I obtained a homebrew linear - Shoebox II per CQ July 1967 - using 4 x 6HF5's. Works really fine on SSB. However, on AM the plate current meter and my SWR Forward meter swing down with speech
/archives//html/Amps/2005-06/msg00014.html (6,200 bytes)

22. [Amps] 2 x 1625 amp? (score: 1)
Author: StephenTetorka@cs.com
Date: Sun, 5 Jun 2005 21:33:42 EDT
Hi Guys: Appreciate your generous help on my previous matters. Permit me kindly to ask for help on this one. I have a 1948 homebrew using 2 each 1625's in RF deck. Its modulated by 2 each 807's. It w
/archives//html/Amps/2005-06/msg00040.html (7,259 bytes)

23. [Amps] Trans question (score: 1)
Author: StephenTetorka@cs.com
Date: Fri, 8 Jul 2005 22:05:29 EDT
Hi all: I have a filiment xmfr having markings that I am not familiar with: Primary top row: +10 -10 240 just under that: 0 208 Secondary 0 CT 5 Might someone kindly explain the meaning of the primar
/archives//html/Amps/2005-07/msg00068.html (6,174 bytes)

24. [Amps] Choke (score: 1)
Author: StephenTetorka@cs.com
Date: Fri, 15 Jul 2005 12:57:35 -0400
Hi All: Might some kind person provide me the construction details to make a 10 to 20 Henry choke rated at 1 amp? Tnx, Steve WA2TAK _______________________________________________ Amps mailing list A
/archives//html/Amps/2005-07/msg00171.html (6,521 bytes)

25. Re: [Amps] Choke (score: 1)
Author: StephenTetorka@cs.com
Date: Sat, 16 Jul 2005 17:50:27 EDT
Henry...as in suitable for Hiesing modulation for a 211 modulator to a 211 RF. R, Steve _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.c
/archives//html/Amps/2005-07/msg00183.html (6,360 bytes)

26. [Amps] "Solder" to brass? (score: 1)
Author: StephenTetorka@cs.com
Date: Tue, 26 Jul 2005 07:44:39 EDT
Hi Guys: On the subject of soldering, permit me this timely question. I'm 'restoring' an old brass variable capacitor for use in my 1929 AM rig project. In the process, I broke the flexible lead from
/archives//html/Amps/2005-07/msg00317.html (6,322 bytes)

27. [Amps] SB200 meter? (score: 1)
Author: StephenTetorka@cs.com
Date: Fri, 05 Aug 2005 15:34:35 -0400
Hi all: Seeking meter for SB200. Tnx, Steve WA2TAK _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2005-08/msg00196.html (6,559 bytes)

28. [Amps] Simple question (score: 1)
Author: StephenTetorka@cs.com
Date: Tue, 9 Aug 2005 09:31:12 EDT
Hi guys: I have a vintage filament xmfr. Voltages are a little high without load...and making allowance for 120 in place of 110 ...and there is evidence of repair and sign of past leaking resin. What
/archives//html/Amps/2005-08/msg00328.html (6,461 bytes)

29. Re: [Amps] Simple question (score: 1)
Author: StephenTetorka@cs.com
Date: Wed, 10 Aug 2005 12:58:04 -0400
Hello David: Kindly accept my apology for apparently upseting you with my "Simple question" in the Subject window. I have no reason to dislike you and I stand better informed on such protocols from y
/archives//html/Amps/2005-08/msg00385.html (11,289 bytes)

30. [Amps] Kon-Tiki (score: 1)
Author: StephenTetorka@cs.com
Date: Fri, 2 Sep 2005 19:36:32 EDT
Hi all: I just watched Thor's documentary movie on the Kon-Tiki expedtion. His receiver was an NC-173. Might anyone know what his " 7 watt" transmitter was? Regards, Steve WA2TAK ____________________
/archives//html/Amps/2005-09/msg00009.html (6,074 bytes)

31. [Amps] Xmtr output impedance? (score: 1)
Author: StephenTetorka@cs.com
Date: Mon, 5 Sep 2005 11:18:09 EDT
Hi all: I'm attempting to determine the 'output impedance' of my 1948 homebrew transmitter so I can obtain maximum efficiency power output to my antenna. The RF deck is two 1625's having a B&W model
/archives//html/Amps/2005-09/msg00053.html (7,152 bytes)

32. Re: [Amps] Xmtr output impedance? (score: 1)
Author: StephenTetorka@cs.com
Date: Tue, 6 Sep 2005 10:47:12 EDT
Hello Karl-Arne: Nice to hear from you again...how are things. The tank final has the B+ for the 1625's coming into the center tap of the B& W coil. Each 1/2 coil from center tap has one section of t
/archives//html/Amps/2005-09/msg00066.html (7,958 bytes)

33. [Amps] FS: PS & Cap (score: 1)
Author: StephenTetorka@cs.com
Date: Sat, 26 Nov 2005 18:36:20 EST
Hi all: Friend has For Sale: Rack type Power supply - 5 v @ 50 amps HV oil filled cap - 8mfd @ 8000 volts Also...Antenna Tuning Unit - BC 939B aka TN 339/GR Inquiries invited. 73, Steve WA2TAK ______
/archives//html/Amps/2005-11/msg00494.html (6,162 bytes)

34. [Amps] FS: Bread Slicers (score: 1)
Author: StephenTetorka@cs.com
Date: Sat, 31 Dec 2005 15:11:41 EST
For Sale: High Voltage Variable Capacitors - - 1. James Millen "transmitting condenser" type 04060, Cap 60 voltage 9000 - - $75 2. E. F. Johnson #153-15, 3.5" diameter rotor, 11 plates spaced 1/4 inc
/archives//html/Amps/2005-12/msg00406.html (6,460 bytes)

35. [Amps] Kenyon T180? (score: 1)
Author: StephenTetorka@cs.com
Date: Sun, 8 Jan 2006 09:51:36 EST
Hi all: Might anyone know the spec for the Kenyon T-180 choke? Tnx, Steve WA2TAK _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mail
/archives//html/Amps/2006-01/msg00250.html (5,985 bytes)

36. [Amps] 200 Watters (score: 1)
Author: StephenTetorka@cs.com
Date: Tue, 10 Jan 2006 10:17:00 -0500
Have about 2 dozen wirewound 200 watters of various resistances - fixed and sliding contact...and mounting hardware. Anyone need any? R, Steve WA2TAK _______________________________________________ A
/archives//html/Amps/2006-01/msg00322.html (6,477 bytes)

37. [Amps] Link vs Pi (score: 1)
Author: StephenTetorka@cs.com
Date: Mon, 16 Jan 2006 09:01:48 EST
Hi all: What is the efficiency of a HF link coupled RF output? How does it compare in efficiency to a Pi circuit output? Tnx, Steve _______________________________________________ Amps mailing list A
/archives//html/Amps/2006-01/msg00404.html (6,260 bytes)

38. [Amps] Measure tank current? (score: 1)
Author: StephenTetorka@cs.com
Date: Fri, 27 Jan 2006 11:17:06 EST
Hi all: How I go about measuring the current in my RF output tank? Regards, Steve WA2TAK _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.
/archives//html/Amps/2006-01/msg00625.html (6,060 bytes)

39. [Amps] 60 filament noise (score: 1)
Author: StephenTetorka@cs.com
Date: Mon, 6 Feb 2006 10:36:03 EST
Hi all: Might it be possible to apply a high-pass filter to eliminate the 60 Hertz ac power supply noise from getting into my filaments? Also..it is my understand that using a DC filament voltage wor
/archives//html/Amps/2006-02/msg00128.html (6,643 bytes)

40. Re: [Amps] 60 filament noise (score: 1)
Author: StephenTetorka@cs.com
Date: Mon, 06 Feb 2006 13:18:08 -0500
Hi Rich: Please excuse me for not providing more detail. I made a 1929 Hartley using a 204A Heising modulated with an 849. Both tubes are filament heated with 11 VAC @ 5 amps wiht center tap on 204 f
/archives//html/Amps/2006-02/msg00135.html (8,159 bytes)


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