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1. [TenTec] Cooling the Orion (score: 1): Author: "Tommy" <aldermant@alltel.net>; Date: Fri, 7 May 2004 15:55:13 -0400; I do not recommend this mod as there is no engineering/technical justification for it, however it is my personal choice to do so. Having been a microwave circuit design engineer and having designed s; /archives//html/TenTec/2004-05/msg00141.html (9,632 bytes)
2. Re: [TenTec] Cooling the Orion (score: 1): Author: "Jim Reid" <jimr.reid@verizon.net>; Date: Fri, 7 May 2004 10:25:48 -1000; Tom - W4BQF, wrote, in part: Same here, but a bit different solution. I noticed my heat sink was never getting warm anyway and I had bought the added fan last Summer believing I would need it in this; /archives//html/TenTec/2004-05/msg00143.html (7,913 bytes)
3. Re: [TenTec] Cooling the Orion (score: 1): Author: Robert & Linda McGraw K4TAX <RMcGraw@Blomand.Net>; Date: Fri, 07 May 2004 21:01:25 -0500; Question: Are you exhausting air from the cabinet, or pressurizing the cabinet? And what is expected to be the intake or exhaust ports? 73 Bob, K4TAX I do not recommend this mod as there is no engine; /archives//html/TenTec/2004-05/msg00150.html (10,906 bytes)
4. Re: [TenTec] Cooling the Orion (score: 1): Author: "Tommy" <aldermant@alltel.net>; Date: Sat, 8 May 2004 04:31:47 -0400; I'm really not 'pressurizing' anything, mearly generating a slight air flow out of the top of the Orion through the speaker grill. The intake ports would be mainly the ports on the bottom of the radi; /archives//html/TenTec/2004-05/msg00154.html (12,838 bytes)
5. Re: [TenTec] Cooling the Orion (score: 1): Author: "Thomas Uhlman" <tuhlman@kimbanet.com>; Date: Sat, 8 May 2004 08:15:10 -0400; Funny you mentioned the darkening of the left hand side of the display... My Orion's display does that too after about an hour or so of power-up... flow become heat sink. sides. the most don't 15 mou; /archives//html/TenTec/2004-05/msg00156.html (14,871 bytes)
6. Re: [TenTec] Cooling the Orion (score: 1): Author: "Tommy" <aldermant@alltel.net>; Date: Sat, 8 May 2004 08:38:06 -0400; Yes, that seems to be a surprising 'plus' to the extra cooling air movement. Would be interesting to know if Jim/KH7M has noticed the same thing with his Orion. Tom - W4BQF My ones no _______________; /archives//html/TenTec/2004-05/msg00157.html (8,999 bytes)
7. Re: [TenTec] Cooling the Orion (score: 1): Author: "Thomas Uhlman" <tuhlman@kimbanet.com>; Date: Sat, 8 May 2004 08:47:04 -0400; Speaking of Orion irregularities, has anyone noticed this issue: Set both receivers to the same band and same antennas.... Enable the 20 kHz filter... Tune in a signal on the sub-receiver.... Set the; /archives//html/TenTec/2004-05/msg00158.html (9,943 bytes)
8. Re: [TenTec] Cooling the Orion (score: 1): Author: "Steve Ellington" <N4LQ@igLou.com>; Date: Sat, 8 May 2004 14:07:43 -0000; I didn't even know this had a 20khz filter Tom. Am I missing something? I did notice that when I enter a freq. on the keypad it doesn't always activate unless I turn the vfo knob. What's with that? S; /archives//html/TenTec/2004-05/msg00159.html (11,653 bytes)
9. Re: [TenTec] Cooling the Orion (score: 1): Author: "Thomas Uhlman" <tuhlman@kimbanet.com>; Date: Sat, 8 May 2004 10:50:22 -0400; Press "MENUS" then "FILTER", and then you will see the top line is labeled "Xtal Filter"... Turn the Multi Knob to select which filter you want to use... 20 is the widest and is supposed to be the on; /archives//html/TenTec/2004-05/msg00161.html (13,343 bytes)
10. Re: [TenTec] Cooling the Orion (score: 1): Author: "Tommy" <aldermant@alltel.net>; Date: Sat, 8 May 2004 11:37:34 -0400; Yes, there is a 20khz filter but I have no clue why one would want to use that. Haven't seen the keypad problem. Normally after punching VFO A ENTER button, punching in your freq, and then pushing VF; /archives//html/TenTec/2004-05/msg00163.html (13,725 bytes)
11. Re: [TenTec] Cooling the Orion (score: 1): Author: "Tommy" <aldermant@alltel.net>; Date: Sat, 8 May 2004 11:59:38 -0400; Thomas, Maybe this will help some (I hope!): Push the '80' mtr button, Enter a freq, such as 3.505; set the mode, set the DSP filter, Push the '80' mtr button again, Ender a freq, such as 3.530, set; /archives//html/TenTec/2004-05/msg00164.html (17,028 bytes)
12. Re: [TenTec] Cooling the Orion (score: 1): Author: "Steve Ellington" <N4LQ@igLou.com>; Date: Sat, 8 May 2004 16:02:52 -0000; Well I've been using the scope to check band activity. I can estimate the frequency of the blip and usually find him when I tune. The Pro2 lets you freeze the display and tune a marker to the exact s; /archives//html/TenTec/2004-05/msg00165.html (17,592 bytes)
13. Re: [TenTec] Cooling the Orion (score: 1): Author: "Thomas Uhlman" <tuhlman@kimbanet.com>; Date: Sat, 8 May 2004 12:52:39 -0400; I was only repeating what I have read concerning weak signal work... It does make sense to use the filter with the lowest insertion loss providing the band is quiet enough... Yes I do acknowledge tha; /archives//html/TenTec/2004-05/msg00168.html (15,799 bytes)
14. Re: [TenTec] Cooling the Orion (score: 1): Author: "Robert Baldwin" <bob-baldwin@cis-gw.tamu.edu>; Date: Sat, 08 May 2004 10:00:02 -0500; Mine gets darker on the left side too, but the effect can be reduced by changing the contrast. But additional cooling would be best... bob wa5jot wa5jot@tamu.edu Yes, that seems to be a surprising 'p; /archives//html/TenTec/2004-05/msg00169.html (9,762 bytes)
15. Re: [TenTec] Cooling the Orion (score: 1): Author: "Phil Howlett" <w9xx@earthlink.net>; Date: Sat, 8 May 2004 12:11:04 -0500; Software needs a change. T-T's been advised of that a looooong time ago. W9XX power-up... the had _______________________________________________ TenTec mailing list TenTec@contesting.com http://list; /archives//html/TenTec/2004-05/msg00171.html (13,404 bytes)
16. Re: [TenTec] Cooling the Orion (score: 1): Author: "Thomas Uhlman" <tuhlman@kimbanet.com>; Date: Sat, 8 May 2004 13:24:46 -0400; Hmmmmmmm this is interesting... When I called TT inquiring about it, they claimed no knowledge of it however, they claimed they checked one on the bench for this condition and did confirm that the on; /archives//html/TenTec/2004-05/msg00173.html (14,618 bytes)
17. Re: [TenTec] Cooling the Orion (score: 1): Author: "Tommy" <aldermant@alltel.net>; Date: Sat, 8 May 2004 14:19:22 -0400; Wow, that's not good news. I plan on putting up a big horizontal loop soon and never considered broad band pick. However where I live now the closest radio station of any kind is probably more than 8; /archives//html/TenTec/2004-05/msg00175.html (21,127 bytes)
18. Re: [TenTec] Cooling the Orion (score: 1): Author: "Steve Ellington" <N4LQ@igLou.com>; Date: Sat, 8 May 2004 19:21:29 -0000; Well I ruled out the type and quality of ground because the problem occurs with every combination of ground I've tried. The nearest radio station is about 15 miles away, WHAS 50kw at 840khz. I can pu; /archives//html/TenTec/2004-05/msg00179.html (24,394 bytes)
19. RE: [TenTec] Cooling the Orion (score: 1): Author: "NJ0IP" <Rick@dj0ip.de>; Date: Sat, 8 May 2004 23:28:38 -0700; Gentlemen, It is my understanding that the widest filter in the ORION is 15 kHz, NOT 20 kHz. I know that some of the print stated 20 kHz, but it is wrong. I'll take any and all bets on this one! When; /archives//html/TenTec/2004-05/msg00181.html (9,187 bytes)
20. Re: [TenTec] Cooling the Orion (score: 1): Author: "Thomas Uhlman" <tuhlman@kimbanet.com>; Date: Sat, 8 May 2004 17:54:45 -0400; Welp it is 'labeled" 20 kHz in the filter menu... It may well be a 15 kHz but I will still call it a 20 as long as it is labeled 20..... This still is not a good reason for the receiver to be receivi; /archives//html/TenTec/2004-05/msg00182.html (10,049 bytes)

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