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Total 1173 documents matching your query.

121. Re: [TenTec] pilot light bulbs (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Mon, 04 Aug 2008 12:39:34 -0700
Yes, I've done that too. Works fine. You only need to verify the current draw and diode rating. Jim K9YC _______________________________________________ TenTec mailing list TenTec@contesting.com http
/archives//html/TenTec/2008-08/msg00045.html (8,008 bytes)

122. Re: [TenTec] Help me Decide ?? (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Wed, 06 Aug 2008 10:44:11 -0700
All of the rigs you mention are nice radios. I own two MPs, an Omni V, a K2/100, and a TS850, and recently added a K3 to my shack. All are pretty loaded with filters, the MPs also have roofers and th
/archives//html/TenTec/2008-08/msg00068.html (8,468 bytes)

123. [TenTec] Product Obsolescence (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Fri, 08 Aug 2008 12:59:15 -0700
Any product is obsolete when it stops working and cannot readily be repaired. The Hercules I with a blown output device is a prime example of that. I own three Titan 425s and a Hercules II. I can aff
/archives//html/TenTec/2008-08/msg00099.html (12,368 bytes)

124. Re: [TenTec] Help me Decide ?? (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Sat, 09 Aug 2008 09:57:01 -0700
Horsepucky! RF gets into radios and other ham equipment mostly because of a design error called "the pin 1 problem." ALL ham mfrs have been guilty of it, INCLUDING TEN TEC. See the tutorials at http:
/archives//html/TenTec/2008-08/msg00118.html (8,679 bytes)

125. Re: [TenTec] Help me Decide ?? (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Mon, 11 Aug 2008 13:09:22 -0700
Common mode chokes are not needed if the radio is built properly -- that is, without pin 1 problems. And all that takes is connectors that bond cable shields to the chassis, not to the circuit board.
/archives//html/TenTec/2008-08/msg00144.html (8,607 bytes)

126. Re: [TenTec] cabling question re TT 253 tuner (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Fri, 15 Aug 2008 12:57:46 -0700
This whole issue of cable shield quality and RFI is a red herring. The REAL issue is improper connection of the cable shield at the equipment! The ONLY good connection of the cable shield is directly
/archives//html/TenTec/2008-08/msg00228.html (9,174 bytes)

127. Re: [TenTec] OT: Ground Radials at Tower Base (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Fri, 15 Aug 2008 19:16:48 -0700
Ground is NOT a sump into which noise is poured. A connection to earth is NOT a solution to RFI or noise problems. The ONLY benefit of a connection to earth is lightning protection. 73, Jim Brown K9Y
/archives//html/TenTec/2008-08/msg00237.html (8,249 bytes)

128. Re: [TenTec] OT: Ground Radials at Tower Base (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Sat, 16 Aug 2008 12:55:05 -0700
WRONG! This is one of those confusions we have about multiple uses of the word "ground." A filter does NOT in any way depend on a connection to EARTH to operate. What it DOES need is the connection o
/archives//html/TenTec/2008-08/msg00249.html (9,699 bytes)

129. Re: [TenTec] OT: stealing Ground Radials at Tower Base (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Sun, 17 Aug 2008 08:30:26 -0700
Don't blame crack heads -- blam4e the economy. This problem is at least 55 years old. When I was growing up in WV, one of my buddies, W8NJL, was chief of a station on 1470. He replaced his ground sys
/archives//html/TenTec/2008-08/msg00265.html (7,423 bytes)

130. Re: [TenTec] OT: Ground Radials at Tower Base (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Sun, 17 Aug 2008 13:14:30 -0700
Hi Mike, Intuitively, the radials provide a capacitive connection to earth, while the rods are part of a DC connection that includes both resistance and inductance. As frequency increases, inductance
/archives//html/TenTec/2008-08/msg00271.html (8,512 bytes)

131. Re: [TenTec] Band Scopes (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Fri, 22 Aug 2008 08:09:50 -0700
Yes. The K3 and Orion are quite comparable in value and features. NOT IDENTICAL -- but in the same ballpark of quality and cost. My 100W K3 with Antenna Tuner, module with connections for VHF transce
/archives//html/TenTec/2008-08/msg00368.html (8,006 bytes)

132. Re: [TenTec] OT: logging programs (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Tue, 26 Aug 2008 21:25:55 -0700
You want DXKeeper. Great for general logging, not designed for contesting. Easy to import contest logs. EASY LOTW. FREEWARE! Well supported with a Yahoo reflector. It's part of a suite that does othe
/archives//html/TenTec/2008-08/msg00413.html (7,185 bytes)

133. Re: [TenTec] OT: logging programs (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Thu, 28 Aug 2008 09:10:21 -0700
For real time logging, click on the Capture button (on the Log QSO page, just above the log, next to the big left-right buttons). This opens a window for entering a "live" QSO. When you enter a call,
/archives//html/TenTec/2008-08/msg00433.html (10,960 bytes)

134. [TenTec] Fan For Titan 425 (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Thu, 04 Sep 2008 09:39:13 -0700
The fan in the oldest of my three Titan 425s (the original Titan) is a lot noisier than the others, so I'm thinking of a replacement. Does anyone know of a part number that might replace it? 73, Jim
/archives//html/TenTec/2008-09/msg00034.html (7,344 bytes)

135. Re: [TenTec] Fan For Titan 425 (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Thu, 04 Sep 2008 09:55:49 -0700
Thanks Ron. 73, Jim _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec
/archives//html/TenTec/2008-09/msg00036.html (6,948 bytes)

136. Re: [TenTec] hercules444 ? (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Wed, 10 Sep 2008 22:18:52 -0700
YES. These are VERY different amps. I own one of both (and the 444 is for sale). They are both very good amps but the 444 uses Motorola output transistors that have unobtainium for at least 25 years
/archives//html/TenTec/2008-09/msg00153.html (8,445 bytes)

137. Re: [TenTec] hercules444 ? (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Wed, 10 Sep 2008 22:20:38 -0700
BTW -- anyone who tries to sell you a Herc 444 and doesn't inform you about the output transistors being unreplaceable is totally not to be trusted! RUN like hell the other direction! 73, Jim K9YC __
/archives//html/TenTec/2008-09/msg00154.html (7,690 bytes)

138. Re: [TenTec] Audio Hum on Omni-VII (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Thu, 18 Sep 2008 08:56:27 -0700
I'm an audio systems design consultant and consultant on EMC in audio systems (that is, hum, buzz, and RFI). There is much misunderstanding about the unbalanced interconnection of ham gear. Much of w
/archives//html/TenTec/2008-09/msg00229.html (8,710 bytes)

139. Re: [TenTec] LOWPAS FILTER - Titan 425 (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Thu, 18 Sep 2008 13:13:32 -0700
Hi Tad, Depending on the vintage of your Titan, it may work fine on 30M, or it might not. I have three of them. Two work fine, the other does not. For the ones that work, I set the Titan for 40 meter
/archives//html/TenTec/2008-09/msg00238.html (8,226 bytes)

140. Re: [TenTec] Audio Hum on Omni-VII (score: 1)
Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
Date: Thu, 18 Sep 2008 13:46:36 -0700
See much ham gear with a diff amp or a balanced out? See many computer sound cards with diff amps or a balanced out? More to the point -- the tutorial and the Power Point presentation show clearly wh
/archives//html/TenTec/2008-09/msg00239.html (12,348 bytes)

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