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1. R: [AMPS] RF Choke Forms (score: 1): Author: rrehr@epix.net (Roger Rehr); Date: Sat, 15 Jan 2000 22:14:25 -0500; piece The moral of the story is, "What teflon wants, teflon gets!" Certainly the next teflon asks me out, I goes!! 73 from Roger Rehr W3SZ ex-AA3QK ex-WA3JYM mailto:rrehr@epix.net FN20ah http://www.; /archives//html/Amps/2000-01/msg00347.html (8,426 bytes)
2. [AMPS] 7289 Cavity (score: 1): Author: rrehr@epix.net (Roger Rehr); Date: Sun, 4 Oct 1998 14:16:47 -0400; I picked up a single-tube 7289 cavity amp at Pack-Rat's Hamfest today. It is said to be usable on 1296 MHz. The main chassis is about 7 inches by 8 inches by 1.5 inches thick, and the main cavity (2.; /archives//html/Amps/1998-10/msg00015.html (7,833 bytes)
3. [AMPS] L4B (score: 1): Author: rrehr@epix.net (Roger Rehr); Date: Fri, 16 Oct 1998 18:49:58 -0400; Just a Any thoughts on another "white noise" phenomenon?: S5-S7. If I just tune up/down 0.1Khz out of this band it disappears. Like good white noise should, it goes to 0 on the S meter when I put in; /archives//html/Amps/1998-10/msg00224.html (9,965 bytes)
4. [AMPS] L4B (score: 1): Author: rrehr@epix.net (Roger Rehr); Date: Fri, 16 Oct 1998 22:09:26 -0400; Bob, You are absolutely right! I did the experiment of swapping out the 970H for my 2m transverter/IC-735 combination for the 2mIF, and the phenemonon disappeared; constant level of signal across the; /archives//html/Amps/1998-10/msg00226.html (9,456 bytes)
5. [AMPS] YD 1302/03/04 (score: 1): Author: rrehr@epix.net (Roger Rehr); Date: Thu, 22 Oct 1998 22:20:13 -0400; Does anyone have any data sheets /specs / leads to this info on YD 1302 YD 1303 YD 1304 ? How about published 2304 cavity design using this line of tubes? Thanks in advance... 73 from Roger Rehr W3SZ; /archives//html/Amps/1998-10/msg00365.html (6,836 bytes)
6. FW: [AMPS] Info needed 7213/7214 (score: 1): Author: rrehr@epix.net (Roger Rehr); Date: Sun, 25 Oct 1998 16:45:50 -0500; Frank how is this: 7213 Beam Power Pentode -- -- Characteristics Heater or Filament Voltage . 5.5 volts Heater or Filament Current . 17.3 amperes EIA Base . . . . . . . . . . None Prefered Substitute; /archives//html/Amps/1998-10/msg00388.html (9,904 bytes)
7. [AMPS] Thanks to all /TEFLON/ 6154 & 6155 (score: 1): Author: rrehr@epix.net (Roger Rehr); Date: Wed, 2 Sep 1998 23:19:39 -0400; Thanks to all who responded re: where to get teflon. A generous ham dropped some by and we made the teflon insert for the 6155 432 MHz modification today. For those of you who asked me to report on t; /archives//html/Amps/1998-09/msg00038.html (7,354 bytes)
8. [AMPS] 6154/6155 Question (score: 1): Author: rrehr@epix.net (Roger Rehr); Date: Sun, 30 Aug 1998 09:50:16 -0400; I recently got unmodified 6154 and 6155 amps, and have been modifying them to work on 2m and 432 respectively. I have completed the mods on the 6154 and it works great on 2m. Last evening I started t; /archives//html/Amps/1998-08/msg00247.html (8,999 bytes)
9. [AMPS] Teflon source? (score: 1): Author: rrehr@epix.net (Roger Rehr); Date: Mon, 31 Aug 1998 11:45:42 -0400; Anyone know where I can get a 2 inch long, 0.3 to 0.5 inch diameter rod of teflon to make the choke cacoon for a modified 6155 amp for 432? I am having trouble getting the big distributors to sell me; /archives//html/Amps/1998-08/msg00251.html (11,018 bytes)
10. [AMPS] FW: NMR (score: 1): Author: rrehr@epix.net (Roger Rehr); Date: Sun, 31 May 1998 21:54:34 -0400; snip, snip more snip, snip Basically you want to flip the nuclei a given number of degrees from their ground state for NMR spectroscopy/imaging. When they relax back you acquire the signal. The degr; /archives//html/Amps/1998-05/msg00000.html (8,627 bytes)

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