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Total 338 documents matching your query.

61. [TenTec] Filter questions (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Wed, 04 Dec 2002 07:32:27 -0500
Max, I added the 8 pole filter to my Corsair and noticed an immediate difference. The skirt selectivity is greatly improved. The passband tuning is much sharper: a little tweak of the PBT and adjacen
/archives//html/TenTec/2002-12/msg00104.html (8,655 bytes)

62. [TenTec] TT No. 1220 transceiver kit (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Thu, 26 Dec 2002 10:51:47 -0500
Hello, Ray, I have the 1220 with the amplifier. It is fun to build, but a little quirky. Some users report the need to connect extra internal ground wires to the power amp board. I had one problem: t
/archives//html/TenTec/2002-12/msg00470.html (9,358 bytes)

63. [TenTec] Some Paragon Mods (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Thu, 26 Dec 2002 11:10:26 -0500
Here are some mods that I just put into my Paragon (I): If slow AGC is too fast for you, pull the IF/AF board and change C46 from 10 uf to 22 uf. Fast AGC is unaffected. If 22 uf makes it too slow, t
/archives//html/TenTec/2002-12/msg00471.html (7,349 bytes)

64. [TenTec] Model 1220 frequency jump fix (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Sat, 28 Dec 2002 20:53:17 -0500
A strange problem with my 1220: When using repeater offsets, release the PTT and instead of going back to the receive frequency, the rig goes to the input (transmit frequency). Key the radio again an
/archives//html/TenTec/2002-12/msg00542.html (6,873 bytes)

65. [TenTec] Scout Meter (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Sat, 28 Dec 2002 21:00:29 -0500
Yes, the Scout has a meter lamp. Its plugged into a little grommet in the side of the meter. I added a 56 ohm resistor in series with mine to dim it down a little and prolong its life. A more clever
/archives//html/TenTec/2002-12/msg00543.html (7,429 bytes)

66. [TenTec] Jupiter Cooling Fan? (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Mon, 30 Dec 2002 15:37:31 -0500
Gary, I used light aluminum "L" brackets attached to a 12 V computer type fan. The brackets are attached to the heat sink on my Paragon using aluminum foil tape. Not elegant, but easy to remove and n
/archives//html/TenTec/2002-12/msg00545.html (9,041 bytes)

67. [TenTec] Scout DC Supply Voltage sensitivity (score: 1)
Author: wb2vuf@qsl.net (wb2vuf@qsl.net)
Date: Fri, 01 Nov 2002 17:42:29 -0500
My Scout came from the factory with a low dropout regulator. I think that it is a 2940 chip which drops out at 11 V. Is there a 10 V regulator with a lower dropout than that? 73,
/archives//html/TenTec/2002-11/msg00065.html (9,376 bytes)

68. [TenTec] Argonaut 5 Supply Voltage sensitivity (score: 1)
Author: wb2vuf@qsl.net (wb2vuf@qsl.net)
Date: Fri, 01 Nov 2002 17:45:45 -0500
Mark, et al,: I have used my Scout with a 7 amp hour gel cell battery and I have not had a problem running it for a couple of hours of casual or Field Day type operation. It is possible to buy indivi
/archives//html/TenTec/2002-11/msg00066.html (9,120 bytes)

69. [TenTec] Re: [QRPp-I] Argonaut V/516 Supply Voltage sensitivity.>=12.0Vdc (score: 1)
Author: wb2vuf@qsl.net (wb2vuf@qsl.net)
Date: Sun, 03 Nov 2002 14:05:16 -0500
Yes, this can be done and there are several inverters on the market. The pulse width modulator types are undoubtedly the most efficient. A lot of them are intended for the commercial or military mark
/archives//html/TenTec/2002-11/msg00068.html (9,479 bytes)

70. [TenTec] Argo 516 competition and "adventure" operation (score: 1)
Author: wb2vuf@qsl.net (wb2vuf@qsl.net)
Date: Mon, 04 Nov 2002 22:28:51 -0500
Here's something interesting: ICOM is showing a ne IC-703 on their web site. It appears that it is still under development, but it is interesting to compare specs with the Argo. The ICOM runs 10 W an
/archives//html/TenTec/2002-11/msg00104.html (9,347 bytes)

71. [TenTec] Scout DC Supply Voltage sensitivity (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Tue, 05 Nov 2002 19:45:00 -0500
I think that the 2940 regulator needs 11 V minimum, but there are lots of places for voltage drop ahead of the regulator: The power cable, fuse and fuse holder, power switch, power connector, and the
/archives//html/TenTec/2002-11/msg00107.html (9,878 bytes)

72. [TenTec] Argo 516 competition and "adventure" operation (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Wed, 06 Nov 2002 22:24:15 -0500
Thanks for the info, Adam. I hope that Ten Tec will take advantage of the world commercial market, too. I recall that Paragons were sold to the U. S. government under a GSA contract. Fortunately, thi
/archives//html/TenTec/2002-11/msg00140.html (9,663 bytes)

73. [TenTec] 516 temptation (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Thu, 14 Nov 2002 20:44:23 -0500
Thanks to those who have been posting first impressions of the 516. At first I thought it was overpriced, but now I'm not so sure, when one compares it to the Argonaut 515 ($400) or the Argo II ($120
/archives//html/TenTec/2002-11/msg00286.html (7,265 bytes)

74. [TenTec] a buzz in my ten tec and yaesu -- WHYYYY??? (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Fri, 15 Nov 2002 19:22:05 -0500
Check to see if there are any computer monitors running in or near the shack. Bring a portable receiver out to the pole to see if it is the cause. Check to see if there is a pattern to the noise as a
/archives//html/TenTec/2002-11/msg00329.html (10,001 bytes)

75. [TenTec] RE: [Yaesu] a buzz in my ten tec and yaesu -- WHYYYY??? (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Fri, 15 Nov 2002 19:31:48 -0500
No, no, NO! Please DO NOT whack the pole with a sledge hammer. If there is any loose hardware or wiring it will come down ON YOUR HEAD. Plus, you will be liable for any damage you cause to the pole.
/archives//html/TenTec/2002-11/msg00330.html (11,438 bytes)

76. [TenTec] QRP voltage booster (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Fri, 15 Nov 2002 19:54:01 -0500
Here's a voltage boost board that will take in 9-12 V and put out 13.8 V at 3.6 amps. It looks nice, but I don't know the price. It can also convert 12V to 24V. http://www.abpco.com/High_Efficiency_S
/archives//html/TenTec/2002-11/msg00331.html (6,758 bytes)

77. [TenTec] Delta frequency shifts on TX (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Sat, 16 Nov 2002 18:08:29 -0500
Al, Check to see if there are trimmer capacitors that set the BFO/carrier oscillator offsets. When they get old they can take shifts. I had this happen on my Paragon. Shoot them with contact cleaner
/archives//html/TenTec/2002-11/msg00332.html (8,766 bytes)

78. [TenTec] Scout (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Thu, 21 Nov 2002 20:09:37 -0500
Yes, there used to be a test in MIL-STD-461 (or maybe an ARINC standard) for testing EMC in military electronics. It was called the "buzzing relay test". A relay was rigged as a buzzer one of its lea
/archives//html/TenTec/2002-11/msg00429.html (12,828 bytes)

79. [TenTec] Digital mode portable (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Thu, 21 Nov 2002 20:20:26 -0500
I would like to operate some of the digital modes when I operate portable with my Scout. I have a Kantronics "KAM", but no notebook computer. Is there a lower cost, smaller alternative to a notebook
/archives//html/TenTec/2002-11/msg00430.html (6,669 bytes)

80. [TenTec] (Ten Tec) Corsair ll (score: 1)
Author: wb2vuf@qsl.net (Bwana Bob)
Date: Thu, 03 Oct 2002 19:42:21 -0400
Malcolm, The display on the Corsair uses a "preset" counter. Band information from the band switch is sent through an array of diodes to the counter logic. There might be an open wire or open diode i
/archives//html/TenTec/2002-10/msg00123.html (7,480 bytes)


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