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81. [TenTec] Radio Shack 25 amp switching supply? (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Mon Mar 10 18:15:37 2003
I totally agree, all switchers do create noise. It's just that some manufacturers do a better job of keeping the "noise in the box" than some others. There's 2 types of noise, radiated and conducted.
/archives//html/TenTec/2003-03/msg00434.html (13,511 bytes)

82. [TenTec] Misc. Orion comments (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Mon Mar 10 18:27:47 2003
Having worked for a Japanese electronics manufacturing company, in the simplest terms, we figured it this way: Manufactured cost X 5 = Retail price. 73 Bob, K4TAX much to To: <tentec@contesting.com>
/archives//html/TenTec/2003-03/msg00436.html (9,785 bytes)

83. [TenTec] Radio Shack 25 amp switching supply? (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Mon Mar 10 18:31:35 2003
OK, that takes care of conducted noise on the output, now what about radiated noise? That is usually a significant part of the problem. 73 Bob, K4TAX at the blanket users SMPS nearer RFI
/archives//html/TenTec/2003-03/msg00437.html (15,467 bytes)

84. [TenTec] Radio Shack 25 amp switching supply? (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Mon Mar 10 19:17:35 2003
Well yes, copper or aluminum works but that is just one part of the story. The secret is to have the box RF tight, thus the covers need to be adequately overlapped and electrically bonded. I've seen
/archives//html/TenTec/2003-03/msg00441.html (19,540 bytes)

85. [TenTec] Misc. Orion comments (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Mon Mar 10 19:22:17 2003
Correct Jim, I think I stated "in basic terms".. Your number of 6x is good. To get a perspective on the subject, to that end a $3000 product will have a cost of some $500 to $600 in basic costs, ex-f
/archives//html/TenTec/2003-03/msg00443.html (9,681 bytes)

86. [TenTec] Titan 425 D&C (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Tue Mar 11 18:16:18 2003
Now this is a person that knows how to treat a piece of electronic equipment. His results clearly conclude that fact. 73 Bob, K4TAX
/archives//html/TenTec/2003-03/msg00489.html (12,235 bytes)

87. [TenTec] Airpax breaker (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Tue Mar 11 21:45:17 2003
By all means, for the power source for the radio, one should place a fuse in both the pos and neg leads at the battery. The fast acting circuit breaker should be in the pos lead at the radio. The fus
/archives//html/TenTec/2003-03/msg00493.html (10,597 bytes)

88. [TenTec] Misc. Orion comments (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Thu Mar 13 20:18:57 2003
Shucks, better than that. I'm gonna keep my order for an ORION and I have some waterfront property 10 miles east of Ft. Lauderdale FL for sale. :) 73 Bob, K4TAX there To: <tentec@contesting.com>
/archives//html/TenTec/2003-03/msg00528.html (9,319 bytes)

89. [TenTec] Misc. Orion comments (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Thu Mar 13 21:20:10 2003
Best I recall, it has a beautiful view of the Gulf Stream, actually on the edge of it, with nice warm water flowing about 4 kts northward, gentle breeze except during hurricanes, and at low tide aver
/archives//html/TenTec/2003-03/msg00530.html (11,566 bytes)

90. [TenTec] Sample-to-Sample Variations (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Fri Mar 14 09:26:06 2003
To that end, good points are raised. In my case, I've "hand picked" several components that are used in my Omni VI series. The result is I find a noticeable improvement of receiver performance . Now
/archives//html/TenTec/2003-03/msg00538.html (10,778 bytes)

91. [TenTec] "Remember, it's a computer." (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Sun Mar 16 07:45:20 2003
I think Chester has just about "hit it on the head" so to say. One thing I keep reading is that a lot of home computers have faults, and thus require restarts and resets. At the same time, I read her
/archives//html/TenTec/2003-03/msg00638.html (13,609 bytes)

92. [TenTec] "Remember, it's a computer." (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Sun Mar 16 07:50:44 2003
Is this a computer users group or a Tentec users group? With the new breed of radios I believe that you'll agree,........ it's both. We've read issues here where a radio won't function after an attem
/archives//html/TenTec/2003-03/msg00639.html (15,335 bytes)

93. [TenTec] "Remember, it's a computer." (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Sun Mar 16 22:00:26 2003
I think Clark has a good point but as I stated to one user, it is this statement that is of concern. "If you can read, you can upgrade your rig." This should be changed to say "If you read (the instr
/archives//html/TenTec/2003-03/msg00673.html (11,908 bytes)

94. [TenTec] Titan 425 blocking capacitors (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Sun Mar 16 22:14:50 2003
Be sure the doorknob capacitors have an RF current rating. A pF value and a DCV value isn't really adequate for most RF purposes. Try using mica transmitting capacitors for the application.. Yes, the
/archives//html/TenTec/2003-03/msg00675.html (7,825 bytes)

95. [TenTec] Omni VI & Titan tuning repeatability (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Mon Mar 17 21:16:13 2003
As a general rule I find that disk ceramic capacitors, regardless of voltage rating, aren't the best choices in high circulating RF current conditions. Component tolerance is typically 20% and often
/archives//html/TenTec/2003-03/msg00708.html (14,557 bytes)

96. [TenTec] MIC connector part numbers (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Sat Mar 22 07:38:40 2003
Radio Shack has them. Sorry I don't have any numbers. In the newer stores they are in the "drawer boxes" an no longer on the bubble pack cards. Bob, K4TAX connectors.
/archives//html/TenTec/2003-03/msg00778.html (7,912 bytes)

97. [TenTec] Argo V Transmit Audio (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Sat Mar 22 22:54:20 2003
A few comments about audio and mikes. It greatly concerns me when one references "setting a knob to a certain position" i.e. 9 o'clock, 11 o'clock or 3 o'clock or whatever, purely based on past exper
/archives//html/TenTec/2003-03/msg00797.html (13,298 bytes)

98. [TenTec] Argo V Transmit Audio - Part II (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Sun Mar 23 08:10:27 2003
in were aging completed and various put this transmitter went were
/archives//html/TenTec/2003-03/msg00801.html (9,364 bytes)

99. [TenTec] One day only used gear blowout (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Tue Mar 25 21:51:11 2003
I can feel a "sick day" that will likely occur on March 31st. I'm not sure what the illness will be however it could be the rare Tentec fever known to originate somewhere in East Tennessee, perhaps n
/archives//html/TenTec/2003-03/msg00861.html (9,949 bytes)

100. [TenTec] Phones? (score: 1)
Author: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Sat Mar 29 15:11:05 2003
Sony Pro Series. MDM's and etc. The bigger the driver diameter the better. 73 Bob, K4TAX
/archives//html/TenTec/2003-03/msg00962.html (7,755 bytes)


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