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1. Re: [TenTec] filter (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Sun, 2 May 2021 16:56:30 -0500
The Noise Blanker function is about the best there is.   The use of narrow selective filters will often make the pulse noise become a wider pulse.    A wide filter is preferred.   But considering tha
/archives//html/TenTec/2021-05/msg00007.html (8,524 bytes)

2. Re: [TenTec] filter (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Sun, 2 May 2021 17:44:25 -0500
I trust you were aware the NB offered 2 different levels/width of blanking.   Also if one used the 600 or 300 Hz filters the NB function was much less efficient. 73 Bob, K4TAX Sent from my Linux devi
/archives//html/TenTec/2021-05/msg00009.html (9,861 bytes)

3. Re: [TenTec] ? Electric fence noise (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Tue, 4 May 2021 10:17:57 -0500
Well I don't see that as being "the way it is".   Yes the FCC has been operating with greatly reduced staff and available facilities.  They aren't allowed in their building due to current COVID restr
/archives//html/TenTec/2021-05/msg00020.html (14,924 bytes)

4. Re: [TenTec] ? Electric fence noise (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Tue, 4 May 2021 10:30:34 -0500
Start first by using a 12 volt battery, like the one on your lawn or garden tractor.  Connect your radio direct to the battery. Note the S meter reading for the given band and frequency.    Then drop
/archives//html/TenTec/2021-05/msg00021.html (15,830 bytes)

5. Re: [TenTec] ? Electric fence noise (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Tue, 4 May 2021 11:31:21 -0500
Well, I believe you said it is your fence.   If so, go look in the mirror and complain to the fellow until he does something about it.  Or take the fence down and feed the deer. One fellow suggest an
/archives//html/TenTec/2021-05/msg00024.html (17,182 bytes)

6. Re: [TenTec] Argonaut 509 (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Sat, 3 Apr 2021 12:26:31 -0500
Usually those counters have provisions to set the IF offset such that it reads correctly. Then one can calibrate it to the closest Hz or so. The true accuracy depends on the counter time base accurac
/archives//html/TenTec/2021-04/msg00003.html (9,687 bytes)

7. Re: [TenTec] TenTec jupiter (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Sun, 11 Apr 2021 11:38:13 -0500
I just sold two for between $250 and $450 each. That in my opinion is a realistic value and not an in love with it price. Bob, K4TAX Sent from my iPhone
/archives//html/TenTec/2021-04/msg00017.html (7,925 bytes)

8. Re: [TenTec] OMNI 6 (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Fri, 5 Mar 2021 19:45:26 -0600
As a rule, it is worth more in parts than a working radio. Frankly, I wouldn't invest any time into repairs, even if it was given to me FOC. 73 Bob, K4TAX That sounds too hard for me. It is far from
/archives//html/TenTec/2021-03/msg00005.html (9,689 bytes)

9. Re: [TenTec] OMNI 6 (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Sat, 6 Mar 2021 08:55:19 -0600
Good morning Snowy. The wife and I have both received our 2nd COVID vaccine.  We still take precautions when going out into public by always wearing a mask and using hand sanitizer as needed.  As my
/archives//html/TenTec/2021-03/msg00008.html (12,493 bytes)

10. Re: [TenTec] OMNI 6 (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Sat, 6 Mar 2021 09:03:35 -0600
John: I've owned several of the Paragon radios.   I really like the way they perform and the way they sound, both on RX and TX. However,  I've found that they take an inordinate amount of time to mai
/archives//html/TenTec/2021-03/msg00009.html (12,413 bytes)

11. Re: [TenTec] Transistor Cross Reference (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Sat, 6 Mar 2021 15:48:36 -0600
Try http://smallbear-electronics.mybigcommerce.com/npn-dot-bc407b/ Otherwise do a GOOGLE search for the number. 73 Bob, K4TAX     Original transistor: BC407B     Material of Transistor: Si     Polari
/archives//html/TenTec/2021-03/msg00012.html (8,652 bytes)

12. Re: [TenTec] recommendation for panadaptor for Orion (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Sat, 6 Mar 2021 16:04:31 -0600
Well for those that are in the LP-PAN2 camp, they would suggest it be used.   And for those that are in the SDR-Play camp, they would suggest it be used. I've used the SDR-Play/RSP-1a both from the I
/archives//html/TenTec/2021-03/msg00014.html (8,755 bytes)

13. Re: [TenTec] Paragon 585 (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Tue, 9 Mar 2021 15:57:44 -0600
The headphone jack is a 1/4 TS jack. So youll need to use mono headphones or use a 1/8 to mono 1/4 adapter for stereo headphones. (Hate those adapter things.). There are isolation resistors so should
/archives//html/TenTec/2021-03/msg00022.html (10,221 bytes)

14. Re: [TenTec] Two topics: Tentec Eagle I2C Clock speed. Multi control erratic. (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Wed, 3 Feb 2021 19:25:18 -0600
Bob: I'd say 99% of the issues of this type are from a dirty control.   It can be removed, it can be opened and cleaned and it can be re-assembled and installed into the radio.   I have pictures of t
/archives//html/TenTec/2021-02/msg00003.html (9,505 bytes)

15. Re: [TenTec] Two topics: Tentec Eagle I2C Clock speed. Multi control erratic. (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Thu, 4 Feb 2021 14:10:37 -0600
Oh the Contesting . com site won't allow pictures.  Something about files being too big. And the ones I referenced are on the Tentec Eagle site on Groups.IO. 73 Bob, K4TAX The MULTI encoder is a segm
/archives//html/TenTec/2021-02/msg00007.html (10,003 bytes)

16. Re: [TenTec] Power output question....omni c (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Sun, 7 Feb 2021 14:38:49 -0600
The typical power spec is +/-1 dB.   That means anywhere from 80 to 125 watts is within spec.  10log(P1/P2) = DB   Then add the +/-10% accuracy of the typical ham power meter and you have ????????  B
/archives//html/TenTec/2021-02/msg00021.html (10,699 bytes)

17. Re: [TenTec] Centurion Amplifier draws negative grid current-help requested (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Fri, 12 Feb 2021 09:45:26 -0600
All of this smells of: (a) excessive grid current, (b) gassey tubes. GRID current is THE MOST IMPORTANT current to monitor on grounded grid triode amplifiers such as the Centurion, SB-220, TL-922 and
/archives//html/TenTec/2021-02/msg00033.html (15,714 bytes)

18. Re: [TenTec] Orion 565 PA adjustment (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Sat, 13 Feb 2021 14:07:00 -0600
Your will need to put a DC amp meter in series with the 13.8 V red wire from the power distribution board going into the PA box. With the radio in USB mode, mike audio to minimum, key the transmitter
/archives//html/TenTec/2021-02/msg00038.html (16,972 bytes)

19. [TenTec] ZOOM on the shack computer (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Tue, 16 Feb 2021 15:28:31 -0600
If you have installed Zoom on your ham/shack computer, be advised the default setup allows Zoom to override your manual settings for both transmit and receive audio levels.  It substitutes gain value
/archives//html/TenTec/2021-02/msg00044.html (7,315 bytes)

20. Re: [TenTec] Centurian data points. (score: 1)
Author: Bob McGraw <rmcgraw@blomand.net>
Date: Wed, 24 Feb 2021 09:48:12 -0600
Depends on the dummy load.  Good quality loads stay very close to their R values when cold to hot.  While others will usually migrate up in R value.   The air cooled loads are more prone, from my exp
/archives//html/TenTec/2021-02/msg00052.html (12,415 bytes)


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