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References: [ +from:woodr90@gmail.com: 74 ]

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21. Re: [Amps] 3-500Z short / fix? Update (score: 1)
Author: "Robert" <woodr90@gmail.com>
Date: Tue, 28 Jul 2020 20:22:33 -0500
The thought of the battery charger: the grid wire is smaller than filament - the grid wire causing problem will melt/fry/disconnect before the filament does. Your results may vary. This is posting of
/archives//html/Amps/2020-07/msg00029.html (10,337 bytes)

22. [Amps] ACOM Director software (score: 1)
Author: "Robert" <woodr90@gmail.com>
Date: Sun, 2 Aug 2020 21:53:36 -0500
The ACOM 2000 has RS232 port on back Control software program is available from M0YOM Anyone have experience with this method? can it do remote on/off - aka from other side of router via internet? Th
/archives//html/Amps/2020-08/msg00015.html (6,318 bytes)

23. Re: [Amps] ACOM Director software (score: 1)
Author: "Robert" <woodr90@gmail.com>
Date: Mon, 3 Aug 2020 00:38:28 -0500
this would be the setup Acom to K3 K3 is "wired" to desktop / writelog Writelog / writelog remote the Original RCU & there is RS232 port beside it's connection on back of amp. Key question is on/off
/archives//html/Amps/2020-08/msg00017.html (10,073 bytes)

24. [Amps] Fwd: B+W 850A parts? (score: 1)
Author: Robert <woodr90@gmail.com>
Date: Sat, 8 Aug 2020 02:26:04 -0500
Similar issue, removed the old fiberglass type supports. Used sheet of plastic about 3/16" thick and cut new somewhat square supports, could have been 1/4". The sheet is ldpe type plastic. Found LPDE
/archives//html/Amps/2020-08/msg00029.html (7,865 bytes)

25. Re: [Amps] Weakness of first two letters of call signs (score: 1)
Author: "Robert" <woodr90@gmail.com>
Date: Tue, 6 Oct 2020 10:04:02 -0500
doubt it's a function of the amp but the rig driving the amp.... Set output at 30 watts to drive amp sometimes output appears to sneak up to the setting more so on initial send , like rig is testing
/archives//html/Amps/2020-10/msg00012.html (11,583 bytes)

26. [Amps] Eimac 3-500 for sale (score: 1)
Author: "Robert" <woodr90@gmail.com>
Date: Mon, 23 Nov 2020 13:58:51 -0600
WORKS Used! This tube became spare for my AL82 when other tube had internal short Elected to get two new tubes $125 Plus $15 shipping 73 W5AJ Robert Midland, Texas http://pages.suddenlink.net/w5aj/ma
/archives//html/Amps/2020-11/msg00012.html (6,378 bytes)

27. [Amps] RPC 3-500 tubes (score: 1)
Author: "Robert Wood, P.E. \(retired\)" <woodr90@gmail.com>
Date: Mon, 4 Jan 2021 17:01:00 -0600
Recently purchased set of 3-500 tubes Made PRC and installed in AL82 amp This AL82 had the Zener diodes replaced with diode string before I purchased it YEARS ago. Old arrl handbook shows 3-500 (sing
/archives//html/Amps/2021-01/msg00000.html (6,757 bytes)

28. [Amps] Alpha 86 / 89 Plate RFC (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Tue, 26 Jan 2021 10:07:40 -0600
The Alpha 86 and 89 use a Home brew relay/Flapper scheme in HV path to short out part of HV Plate choke RF Parts sells RFC that all indications can replace the existing choke and remove the flapper h
/archives//html/Amps/2021-01/msg00015.html (7,295 bytes)

29. [Amps] AL82 3-500 4-400 (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Tue, 26 Jan 2021 14:35:03 -0600
Have Ameritron AL82 amp, No Tubes Have extra Eimac 4-400 tubes Looked at some amp's schematics for 4-400 and appears these would work in AL82 Have fired up filaments in AL82 (no HV) Any one tried thi
/archives//html/Amps/2021-01/msg00017.html (7,022 bytes)

30. Re: [Amps] Alpha 86 / 89 Plate RFC (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Thu, 28 Jan 2021 23:42:34 -0600
TNX to everyone for replies on Plate choke change out! RFC3 from RF Parts works Change is complete Tomorrow will get clear photo for the 15M test - shown on link below About only blip was the DC bloc
/archives//html/Amps/2021-01/msg00033.html (8,178 bytes)

31. [Amps] 1N2637 (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Sat, 3 Apr 2021 21:19:44 -0500
Have set of 1N2637 diodes. Testing with Fluke produces open reading both ways. Recall meter may not have enough voltage to test these Other than firing power supply back up after 20 years - thoughts?
/archives//html/Amps/2021-04/msg00007.html (6,443 bytes)

32. Re: [Amps] 1N2637 (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Sat, 3 Apr 2021 23:50:52 -0500
W1KSZ, W4BIN and W7VM, Thanks since was testing with Fluke Ive already Googled (the amp was built back in 81 that these 1N2637 are being removed from) and the Fluke 87 just wasnt cutting the mustard.
/archives//html/Amps/2021-04/msg00009.html (9,662 bytes)

33. [Amps] 89 Alpha schematic (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Sun, 4 Apr 2021 13:20:07 -0500
This probably same for Alpha 86.. photo of schematic showing incoming line and soft start at this link http://pages.suddenlink.net/w5aj/89Fuse2A.jpg Traced single wire from the 2A fuse to R10 - no ot
/archives//html/Amps/2021-04/msg00010.html (7,428 bytes)

34. Re: [Amps] 89 Alpha schematic (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Sun, 4 Apr 2021 21:31:01 -0500
W8ZR and "gudguyham" THANKS Conclude with: Alpha 89 Schematic is in error on 2A fuse location The fuse probably would protect R10 on failure of relay by opening and perhaps protect equipment downstre
/archives//html/Amps/2021-04/msg00013.html (10,729 bytes)

35. [Amps] add on MUFFIN FAN (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Mon, 5 Apr 2021 00:45:48 -0500
The 89 amp that I'm working on has a PAPST 4850 X muffin fan installed on back This fan is of questionable value as I see it the fan curve passes 45 CFM at 0.04 Inches of Water pressure It's unknown
/archives//html/Amps/2021-04/msg00014.html (11,190 bytes)

36. Re: [Amps] Junk Connectors, Junk Coax (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Thu, 8 Apr 2021 14:26:26 -0500
same with stainless steel hardware!!! I'm working on HB AMP in garage and have magnet on work bench checking claimed SS washers / split washers are worst! very - very magnetic and junk as I see it (T
/archives//html/Amps/2021-04/msg00029.html (11,091 bytes)

37. Re: [Amps] Junk Connectors, Junk Coax (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Thu, 8 Apr 2021 20:04:07 -0500
my experience is the magnetic SS will BARELY stick to the magnet (aka only slightly magnetic) If Im missing something - . Robert Midland, Texas http://pages.suddenlink.net/w5aj/ From: Youvan [mailto:
/archives//html/Amps/2021-04/msg00036.html (9,627 bytes)

38. Re: [Amps] Alpha 87A Won't Transmit (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Fri, 9 Apr 2021 02:16:16 -0500
about decade ago, read about method used at K3LR started doing it LR way Works! http://www.k3lr.com/engineering/pl259/ Robert W5AJ Midland, Texas http://pages.suddenlink.net/w5aj/ I've never had that
/archives//html/Amps/2021-04/msg00046.html (14,141 bytes)

39. Re: [Amps] Alpha 87A Won't Transmit (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Sat, 10 Apr 2021 15:21:34 -0500
I've enjoyed hearing how others attach coax connectors not so much belittling someone about their method they have successfully used. I'm on LR method, probably for life. Many in the local club swear
/archives//html/Amps/2021-04/msg00066.html (11,378 bytes)

40. [Amps] Gates RF103 3-1000 (score: 1)
Author: "Robert W5AJ" <woodr90@gmail.com>
Date: Sun, 18 Apr 2021 18:27:26 -0500
Firing up HV on 3-1000 this week QUESTION: Tube has been without RF / filaments for about six years How long should leave filaments on before attempting HV ??? Filament, blower and cabinet fan are op
/archives//html/Amps/2021-04/msg00083.html (6,708 bytes)

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