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61. Re: [Amps] 5 kw amps -- why? (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Tue, 19 Oct 2004 10:25:09 -0700 (PDT)
Yes. MARS... "Rob Atkinson, K5UJ" <k5uj@hotmail.com> wrote:After reading a review in Eham today for the Emtron DX4 (2 4cx2500s) by an American ham, I have a question: Is there any kind of operating a
/archives//html/Amps/2004-10/msg00259.html (8,035 bytes)

62. Re: [Amps] 5 kw amps -- why? (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Tue, 19 Oct 2004 12:21:41 -0700 (PDT)
LOL... That works!! :-D "Suggested" limits are 1 kW I think, but remember, when the fit hits the shan, all that goes out the window. Just like we do in military communication systems... Joe I think h
/archives//html/Amps/2004-10/msg00274.html (9,333 bytes)

63. Re: [Amps] 5 kw amps -- why? (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Tue, 19 Oct 2004 12:23:03 -0700 (PDT)
Dang... "1500kW" ought to do it!! end Barry Kirkwood PhD ZL1DD Signal Hill Homestay 66 Cory Road Palm Beach Waiheke Island 1240 NEW ZEALAND ph/fax 64-9-372-5161 www.waiheke.co.nz/signal.htm -- Origin
/archives//html/Amps/2004-10/msg00275.html (10,781 bytes)

64. Re: [Amps] RE: 5 kw amps -- why? (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Tue, 19 Oct 2004 18:21:58 -0700 (PDT)
So which amp do you have again?? I had a TL-922 and ditched it for a Henry 3K-A -- it's amazing what 4 kV @ 1A will do on a pair of 3-500ZGs. It runs a conservative 1500W PEP in pretty much any mode,
/archives//html/Amps/2004-10/msg00282.html (8,563 bytes)

65. Re: [Amps] 5 kw amps -- why? (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Wed, 20 Oct 2004 15:19:04 -0700 (PDT)
Peter -- The drawback is only being able to carry 1500W-pep. Ugly baluns can easily do 10db more. Rich -- No problem, then you just use the next larger size PFTE Coax (can't remember the RG designato
/archives//html/Amps/2004-10/msg00326.html (9,891 bytes)

66. Re: [Amps] ebay selling (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Thu, 28 Oct 2004 07:52:48 -0700 (PDT)
<SNIP> This Radio Station is a "Part 15" (Under FCC Part 15 Rules FCC rules allow operation of un-licensed broadcasting at 100MW, this is that type of station) AM Radio Station. <SNIP> Wow -- 100,000
/archives//html/Amps/2004-10/msg00485.html (8,038 bytes)

67. Re: [Amps] 3-500Z tube recommendations (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Fri, 12 Nov 2004 03:02:13 -0800 (PST)
Get the RF Parts tubes -- you won't be dissappointed. I abuse mine in my Henry 3K-A and they just keep making power. The Taylors are the same tubes, but you won't get the extended warranty. They both
/archives//html/Amps/2004-11/msg00168.html (8,467 bytes)

68. Re: [Amps] Transformer Manufactures (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Mon, 15 Nov 2004 07:18:17 -0800 (PST)
Heyboer, but I found them fairly expensive. If I actually had to get another, I'd go with a Dahl. Check 'em out here: http://www.heyboertransformers.com/index.shtml Joe, N3JI Ed Stallman <n5blz1@hous
/archives//html/Amps/2004-11/msg00213.html (7,670 bytes)

69. Re: [Amps] Shaded-pole Tube Blower (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Sat, 20 Nov 2004 15:59:19 -0800 (PST)
Seems reasonable to have some kind of interlock for this -- a couple dollars worth of parts could easily save several hundred in new tubes. A friend of mine switched to a pair of 3CPX800s because the
/archives//html/Amps/2004-11/msg00343.html (8,976 bytes)

70. RE: [BULK] - [Amps] Question: Ameritron AL-80A tuning (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Wed, 1 Dec 2004 14:41:21 -0800 (PST)
My Henry 3K-A is continuous coverage 3-30 MHz & cost me well under $1,000. Joe, N3JI __________________________________ Do you Yahoo!? Yahoo! Mail - Helps protect you from nasty viruses. http://promo
/archives//html/Amps/2004-12/msg00011.html (9,250 bytes)

71. RE: [BULK] - [Amps] yaesu (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Wed, 8 Dec 2004 17:36:48 -0800 (PST)
I beg to differ. I just had a 2100B & 2100F in my shack and I still have pics of them (they were part of an estate I helped sell for a widow). The 2100B covers 80-10m, the 2100F covers 80-15m. If you
/archives//html/Amps/2004-12/msg00140.html (8,091 bytes)

72. Re: [Amps] Amp Supply LK450 (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Fri, 17 Dec 2004 12:11:52 -0800 (PST)
Does it blow fuses with the tube(s) yanked? __________________________________ Do you Yahoo!? Jazz up your holiday email with celebrity designs. Learn more. http://celebrity.mail.yahoo.com __________
/archives//html/Amps/2004-12/msg00227.html (8,193 bytes)

73. Re: [Amps] post (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Tue, 21 Dec 2004 17:56:15 -0800 (PST)
What kind of Ameritron is it? It seems funny that he's telling you to *TRANSMIT* more often, because what's the difference between standby and online when you're not transmitting?? Maybe he's telling
/archives//html/Amps/2004-12/msg00249.html (7,855 bytes)

74. Re: [Amps] Al 572 (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Tue, 21 Dec 2004 21:08:18 -0800 (PST)
Okay... There *ARE* issues with 572Bs -- I'm not an expert on those, though. I've always had 3-500s. Good luck!! larry williamson <lgwsaw@worldnet.att.net> wrote: Sorry I did not say the kind of amp.
/archives//html/Amps/2004-12/msg00251.html (7,144 bytes)

75. RE: [BULK] - Re: [Amps] Tuning (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Wed, 22 Dec 2004 09:20:00 -0800 (PST)
Do they answer when you're done tuning? :-) "Nobody needs more than 640k!" -Bill Gates, 1982 _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contest
/archives//html/Amps/2004-12/msg00262.html (8,832 bytes)

76. Re: [Amps] lk450 blowing fuses (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Wed, 22 Dec 2004 14:05:56 -0800 (PST)
Could be. Could be some other stuff, too. But at least you now know where to start!! Joe, N3JI Yes it does. Should I suspect the diodes in the power supply portion? Berry Does it blow fuses with the
/archives//html/Amps/2004-12/msg00271.html (7,852 bytes)

77. Re: [Amps] antennas that are 1:1 vswr all over the band (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Wed, 22 Dec 2004 18:45:49 -0800 (PST)
Check out the MonstIR... 4 elements, 3 @ 70 feet in length, 1 at 36 feet, covers 40-6m, and it's only $3,795! I'll take two!! Joe, N3JI www.steppir.com Sincerely, Dr. William J. Schmidt, II K9HZ Trus
/archives//html/Amps/2004-12/msg00278.html (8,951 bytes)

78. Re: [Amps] OFF TOPIC: Loop antenna question (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Sun, 26 Dec 2004 06:20:18 -0800 (PST)
I thought a Hertz was a dipole... The wire in a balanced feedline does Not add to the wire in the antenna -- i. e., antennas and feedlines are not like series resistors. . The best antenna I have use
/archives//html/Amps/2004-12/msg00329.html (13,336 bytes)

79. Re: [Amps] ICOMPROII / PROIII & TL922 (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Mon, 27 Dec 2004 06:16:55 -0800 (PST)
I used a 922 with various Icom rigs (not the ProII/III). You'll need a soft keying module between the rig & amp. I used the "Universal Keying Adapter" from N0XAS. Check it out here: http://www.hamgad
/archives//html/Amps/2004-12/msg00353.html (7,910 bytes)

80. Re: [Amps] SB-220 (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Mon, 27 Dec 2004 09:16:52 -0800 (PST)
Yep -- it's a good design, too. It has a four-position rotary type main switch that is arranged so you can't get to the 3000/4000V position without first going through the position that has a *BIG* r
/archives//html/Amps/2004-12/msg00364.html (8,404 bytes)

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