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Author Topic: Low s-meter reading Ten Tec Orion 2  (Read 1072 times)
LA4UOA
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Posts: 204




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« on: November 10, 2011, 07:38:37 AM »

Try again, my Orion 2 started over night reading to low s meter reading, and i have not done a wrong setting or things like that, i compare it to my Kenwood  870, and it show 5-6 s less than KWD 870, there is nothing wrong with antenna radio had right reading when i turned it off day before.Meter is normal when transmitt, resceiver also normal.
I have contacted Ten Tec, but no help from them.Any ideas ??what it could be?
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N4NYY
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Posts: 4776




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« Reply #1 on: November 10, 2011, 08:46:10 AM »

You many need a calibrated RF generator. The typical S9 is like 50uV for ham rigs, and 100uV for CBs. Now, from what I understand, the 50uV is not an absolute, and may vary from righ to rig.
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WX7G
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« Reply #2 on: November 10, 2011, 09:57:09 AM »

Did the RF gain control get turned down?
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AA4PB
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« Reply #3 on: November 10, 2011, 11:51:00 AM »

"Now, from what I understand, the 50uV is not an absolute, and may vary from rig to rig. "

It may also vary from band to band in the same rig. In a typical ham rig it will also vary with settings in the attenuator, preamp, and RF gain control.
 
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LA4UOA
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« Reply #4 on: November 10, 2011, 01:08:14 PM »

Itried  adjusting the rf gain, and also did a full master reset but still low reading ,and yes we will try to calibrate meter  again,i just dont understand how it could happen over night like that,we had no thunderstorm here or things like that either that night.
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LA4UOA
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« Reply #5 on: November 10, 2011, 01:10:04 PM »

did also check att and preamp
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WA3SKN
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Posts: 5486




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« Reply #6 on: November 10, 2011, 01:18:13 PM »

The last time I checked...
Ten Tec actually uses 50 microvolts for S9.
Kenwood was using 40, but I think they changed to 30.
Yaesu was using 30 microvolts.
And Icom was using 25 microvolts.
So you need a calibrated signal generator to check, not just another reciever.
But since you think it changed, check any pre-amp and attenuator settings, and the RF gain setting also.  An amplifier may have changed it's gain.
After all, if it was made by Man, it can break!
73s.

-Mike.
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K8AG
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Posts: 352




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« Reply #7 on: November 10, 2011, 01:24:42 PM »

See if you can borrow someone's XG3.  These are just made for this kind of thing.
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LA4UOA
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Posts: 204




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« Reply #8 on: November 10, 2011, 01:36:23 PM »

yes we will start with the generator ,have tried all kind of setting on the radio,but the meter just dont want to go up on normal reading,yes its made by man and things can go wrong.
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LA4UOA
Member

Posts: 204




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« Reply #9 on: November 10, 2011, 01:44:24 PM »

a friend of mine wil take a look at it,i just try to get as much info as possible here in this forum, i am supriced that Ten Tec had no suggestion what it could be,or where to start looking for problems.
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