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201. Re: [Amps] Front Panel Express Help (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Wed, 9 Apr 2014 21:59:57 -0700; I cant find that utility on their site. Thanks 73 Jim W7RY There is a utility you can download from the front panel express website for designing dials, arcs, and so forth. Jim W8ZR Sent from my iPho; /archives//html/Amps/2014-04/msg00115.html (10,819 bytes)
202. Re: [Amps] Front Panel Express Help (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Wed, 9 Apr 2014 22:06:16 -0700; I just found it Jim. Now to figure it out.... 73 Jim W7RY There is a utility you can download from the front panel express website for designing dials, arcs, and so forth. Jim W8ZR Sent from my iPhon; /archives//html/Amps/2014-04/msg00116.html (10,828 bytes)
203. Re: [Amps] Front Panel Express Help (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Wed, 9 Apr 2014 22:31:52 -0700; I dont seem to be able to create a file with the Java application. Not sure why... The instructions seem pretty vague. Could it be a java issue? Ideas? Thanks 73 Jim W7RY Jim, That works slick. I jus; /archives//html/Amps/2014-04/msg00117.html (11,695 bytes)
204. Re: [Amps] Front Panel Express Help (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Wed, 9 Apr 2014 23:28:23 -0700; Got it to work... The trick is to NOT make segment 2 zero (0). If you do, then the tool will not generate a file.... That would have been handy to know.. :( 73 Jim W7RY I dont seem to be able to crea; /archives//html/Amps/2014-04/msg00118.html (12,581 bytes)
205. Re: [Amps] SB220 tune cap (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Fri, 18 Apr 2014 17:10:04 -0700; The later version was longer (more plates) and wider plate spacing. This was an attempt to fix the arcing issues on the SB220. Which is usually caused by ALC overshoot in the radio or RF being sent b; /archives//html/Amps/2014-04/msg00173.html (8,224 bytes)
206. Re: [Amps] Eimac 3-500Z date codes (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Tue, 29 Apr 2014 16:55:00 -0700; 40th week of 1982. If they have never been fired up, they MAY be gassey. I just removed a pair from a TL922 that were new in the box. On was gassy at less than 500 volts. I'm not at home so I cant ge; /archives//html/Amps/2014-04/msg00254.html (8,176 bytes)
207. Re: [Amps] Building an amp suggestions (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Wed, 7 May 2014 18:37:10 -0700; 8877 would be my choice! See: http://s900.photobucket.com/user/w7ry/library/8877%20Amplifier?sort=3&page=1 73 Jim W7RY Hi every one , I am contemplating building another QRO amp. Several years ago ,; /archives//html/Amps/2014-05/msg00021.html (8,200 bytes)
208. Re: [Amps] Building an amp suggestions (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Thu, 8 May 2014 07:04:00 -0700; Just looked up a YC229 on Google. Looks like it needs a socket to me? Are you sure the number is correct? 73 Jim W7RY YC229, and it doesn't require a socket. The grid ring bolts directly to the chass; /archives//html/Amps/2014-05/msg00027.html (11,610 bytes)
209. Re: [Amps] Building an amp suggestions (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Thu, 8 May 2014 20:58:01 -0700; Seems to work ok... I think Photobucket was down last night. Try this link. http://s900.photobucket.com/user/w7ry/library/ 73 Jim W7RY ORIGINAL MESSAGE: (may be snipped) See: http://s900.photobucket.; /archives//html/Amps/2014-05/msg00034.html (9,378 bytes)
210. [Amps] 8122 and 8072 (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Fri, 9 May 2014 19:48:07 -0700; Quite a while ago, I was tying to figure out how to get the cooler fins off of an 8122 and back onto an 8072. It looks like they are welded onto the outer plate structure of the 8122. They are the sa; /archives//html/Amps/2014-05/msg00057.html (12,165 bytes)
211. Re: [Amps] taking stuff to dayton (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Thu, 15 May 2014 18:38:00 -0700; I'm here now and its cold. Weather shows 40% chance of rain tomorrow and high of 61. Saturday, 10% chance of rain and high of 60+. 73 Jim W7RY Bill, Be prepared for a wet, and cool, Dayton. It looks; /archives//html/Amps/2014-05/msg00097.html (9,267 bytes)
212. Re: [Amps] Bird Slug Frequency Curves (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Wed, 28 May 2014 17:09:31 -0700; My 2500 HF slug drops off at 10 meters and 160 meters both. This compared to my Powermaster and my LP100A. Both the LP100A and the Powermaster are within 1% of each other at all power levels between; /archives//html/Amps/2014-05/msg00134.html (8,033 bytes)
213. Re: [Amps] Soft start (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Sat, 31 May 2014 15:09:12 -0700; Support the Chinese or support the US. Mine is 281334638284 73 Jim W7RY I have enough stuff in the junk box to make a traditional soft start but, I was looking at the place and found some OTC soft st; /archives//html/Amps/2014-05/msg00145.html (7,725 bytes)
214. Re: [Amps] Vacuum Relay Replacement (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Sat, 7 Jun 2014 21:37:32 -0700; Max Gain systems has a VHC1 which I have used in my QSK projects. They also work great. They are quite a bit cheaper than even the Gigavac with the amateur discount. 73 Jim W7RY I need to replace the; /archives//html/Amps/2014-06/msg00007.html (7,810 bytes)
215. [Amps] Anyone Have 3CX800s and Sockets? (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Wed, 18 Jun 2014 19:39:14 -0700; Im thinking about building another amp. Anyone have a pair of 3CX800s or sockets laying around? Thanks! 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.c; /archives//html/Amps/2014-06/msg00052.html (6,548 bytes)
216. Re: [Amps] RG6 Power Handling (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Thu, 19 Jun 2014 20:39:29 -0700; I use RG-142 at 1500 watts RTTY on all bands. And either RG-174 non Teflon; or RG316 Teflon for the input stuff. Either works just great. I like the Teflon stuff because it doesn't melt while solderi; /archives//html/Amps/2014-06/msg00061.html (12,198 bytes)
217. [Amps] 2 Section Tune Cap Wanted (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Sat, 21 Jun 2014 10:32:42 -0700; Now that I have found some 3CX800s and sockets (thanks to the list)! Im looking for a 2 section air variable tuning capacitor like in the Alpha amplifiers. 1 section around 50 pF and the other sectio; /archives//html/Amps/2014-06/msg00066.html (7,183 bytes)
218. Re: [Amps] 2 Section Tune Cap Wanted (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Mon, 23 Jun 2014 20:32:46 -0700; Thanks Jim! I emailed them and they answered right back! They are $129.00 each in lots of 1 for the "75". 4 week delivery. That will fit the bill exactly! I've had several ARD230 amps, but only the o; /archives//html/Amps/2014-06/msg00070.html (10,709 bytes)
219. Re: [Amps] 2 Section Tune Cap Wanted (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Tue, 24 Jun 2014 06:36:04 -0700; Here is the info from OE. Internal part number: 73-2-75-56 Complete part number: 73-315-65-2K5-B-N38S1A0N1A184 Description: M73, two sections, at max simultaneously; front section 22pF min to 315pF m; /archives//html/Amps/2014-06/msg00075.html (15,002 bytes)
220. Re: [Amps] Buck-Boost Transformer Selection (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Wed, 25 Jun 2014 18:20:05 -0700; Does the Quadra have a switching power supply? 73 Jim W7RY The issue is that the Quadra was designed for the Japanese market in an era where the common input power level was 100/200 V and typical max; /archives//html/Amps/2014-06/msg00093.html (11,411 bytes)

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