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141. Re: [TenTec] new amp (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Fri, 12 Mar 2010 10:00:05 -0600
Tune for maximum output while watching the plate a grid currents. maximum output should be rated output with proper plate and grid currents. It is possible to tune a grounded grid PA for proper plate
/archives//html/TenTec/2010-03/msg00111.html (8,086 bytes)

142. Re: [TenTec] Dial lamps (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Fri, 12 Mar 2010 19:56:18 -0600
The Titan III manual schematic shows those lamps run from the 12 volts that runs an IC on the meter switch board. 73, Jerry, K0CQ _______________________________________________ TenTec mailing list T
/archives//html/TenTec/2010-03/msg00121.html (9,315 bytes)

143. Re: [TenTec] power problem on 0mni six (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Sun, 14 Mar 2010 23:39:25 -0600
My guess is that the overcurrent trip is too sensitive and that the PA bias in the radio takes longer than ten minutes to discharge, so that immediate restart lets the PA transistors draw too much cu
/archives//html/TenTec/2010-03/msg00129.html (7,932 bytes)

144. Re: [TenTec] 6 meter transverter & jupiter (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Mon, 15 Mar 2010 10:21:42 -0600
In the US there's Down East Microwave Inc, now in Florida, www.downeastmicrowave.com who makes fine products, both kit an assembled. SSB Electronics in Pennsylvania www.ssbusa.com imports Swedish pro
/archives//html/TenTec/2010-03/msg00137.html (9,082 bytes)

145. Re: [TenTec] Switching Power Supplies (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Mon, 15 Mar 2010 10:25:18 -0600
Some switchers ARE noisy. Some are NOISY! MFJ switchers made specifically for radio use tend to be quiet. Its worth scouring the QST reviews of switchers to see the differences. There are reports tha
/archives//html/TenTec/2010-03/msg00138.html (7,764 bytes)

146. Re: [TenTec] Switching Power Supplies (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Mon, 15 Mar 2010 11:57:39 -0600
And then a few need a FCC broadcast transmitter license! 73, Jerry, K0CQ _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/
/archives//html/TenTec/2010-03/msg00140.html (8,551 bytes)

147. Re: [TenTec] 6 meter transverter & jupiter (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Mon, 15 Mar 2010 17:03:07 -0600
The catalog I looked at said 50 through 432 were in redesign. Then on the home page I found this link with the new design and prices: http://www.downeastmicrowave.com/PDF/VHF-UHFXVERT_pd.pdf DEMI is
/archives//html/TenTec/2010-03/msg00149.html (8,353 bytes)

148. Re: [TenTec] Titan III screen current question..... (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Tue, 16 Mar 2010 15:45:11 -0600
According to the Chicago Miniature listing in the print Mouser catalog at hand, the 47 is rated for 3000 hours and the 755 is rated for 20,000 hours. The 47 puts out a half spherical candle power and
/archives//html/TenTec/2010-03/msg00164.html (10,864 bytes)

149. Re: [TenTec] Reflector Problems (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Sat, 20 Mar 2010 20:28:03 -0600
Since these posts have arrived, it appears the reflector is working, just no one but Morine is posting and it could be that Morine had a robot gather e-mail from the archives reached after subscribin
/archives//html/TenTec/2010-03/msg00183.html (9,267 bytes)

150. Re: [TenTec] Corsair II Vfo Molex Jumper (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Sun, 21 Mar 2010 11:56:27 -0600
Molex 03-06-2092 or 03-06-2091 with male pins 02-06-2103 or 02-06-6103. 9 pin plugs with .062" male pins. Prefix these numbers with 538- for Mouser catalog numbers. 73, Jerry, K0CQ __________________
/archives//html/TenTec/2010-03/msg00197.html (7,673 bytes)

151. Re: [TenTec] Corsair II Vfo Molex Jumper (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Sun, 21 Mar 2010 13:10:34 -0600
Shipping compared to the cost of the parts will shock you! Go with the gold pins to help that shock a little. 73, Jerry, K0CQ _______________________________________________ TenTec mailing list TenTe
/archives//html/TenTec/2010-03/msg00200.html (9,500 bytes)

152. Re: [TenTec] Corsair II Vfo Molex Jumper (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Sun, 21 Mar 2010 15:43:20 -0600
Two RCA plugs are wider than the 9 pin molex connector and good RCA plugs are at least as expensive as the proper molex connector which can be had on epay for 13 cents in lots of 100 and less than a
/archives//html/TenTec/2010-03/msg00204.html (9,138 bytes)

153. Re: [TenTec] Yamaha CM-500 (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Sun, 21 Mar 2010 17:02:48 -0600
I used mine with my FT-857D and a transverter for two days of 10 GHz operating outdoors last September. It was comfortable and better copy on weak signals than the built in speaker. I didn't use the
/archives//html/TenTec/2010-03/msg00212.html (7,332 bytes)

154. Re: [TenTec] Yamaha CM-500 (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Sun, 21 Mar 2010 19:54:48 -0600
The CM500 that I bought last summer came with a battery box that could be plugged in to the microphone circuit. Yet I recall the package or the web page I bought it from proclaimed "dynamic microphon
/archives//html/TenTec/2010-03/msg00216.html (9,388 bytes)

155. Re: [TenTec] Fw: Orion Loosing Memories (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Sun, 21 Mar 2010 20:29:34 -0600
That's how a rig with a bad memory battery tends to act. 73, Jerry, K0CQ _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/
/archives//html/TenTec/2010-03/msg00219.html (8,372 bytes)

156. Re: [TenTec] Yamaha CM-500 (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Sun, 21 Mar 2010 20:58:22 -0600
It probably was dynamic at some time, but is electret now. I don't think I have the packaging mine came in any more. I bought it from Sam Ash Music for a really good price last August 19, 2009. And t
/archives//html/TenTec/2010-03/msg00223.html (9,782 bytes)

157. Re: [TenTec] Yamaha CM-500 (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Mon, 22 Mar 2010 02:23:29 -0600
I recall the packaging had something about NEW ELECTRET MICROPHONE. I paid $45 delivered from Sam Ash Music last August. Their web page still shows that price and that its a dynamic microphone. 73, J
/archives//html/TenTec/2010-03/msg00232.html (10,029 bytes)

158. Re: [TenTec] OT: CW Receive program (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Mon, 22 Mar 2010 07:34:44 -0600
fldigi works CW and many true digital modes. Tunable from the waterfall display. Our local club president claimed his 200th country last week and can't copy a bit of CW all with CW programs. I expect
/archives//html/TenTec/2010-03/msg00243.html (8,641 bytes)

159. Re: [TenTec] Yamaha CM-500 (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Mon, 22 Mar 2010 07:44:20 -0600
Last year as I was preparing for the second weekend of 10G + operation on a hilltop in Minnesota, I planned to build a box to do PTT and a tiny built in CW key (both using microswitches) with an adap
/archives//html/TenTec/2010-03/msg00244.html (10,882 bytes)

160. Re: [TenTec] Troubleshooting Power amps in general (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Mon, 22 Mar 2010 17:57:27 -0600
There are several possible failures that will blow the fuses. Blowing more fuses won't fix the failure and may damage more parts. The failure could easily be a shorted rectifier and filter capacitor.
/archives//html/TenTec/2010-03/msg00268.html (12,864 bytes)


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