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[wxsig] T238 5 second "live" vs 5 minute averaged modes and reliability

Rich Beckwith rjbeckwith at gmail.com
Sat Mar 26 17:16:29 UTC 2011


Thanks John.  I have been lucky so far, only blown BAT42 diodes.

Rich

On Sat, Mar 26, 2011 at 12:12 PM, John Bennett <jabennett at insightbb.com> wrote:
> I use the "live" mode with my wxn server and have run into the exact same
> problem. The unit is at a remote location so I can't tell you which version
> it is running, but believe it is 1.13.x. It is not a hardware failure
> problem. The unit I have is one of the original units (no modem). It got
> totally blown away in an EMP strike and *all* ICs, transistors and caps were
> replaced. It did the same thing before and after the strike. Try reverting
> one revision at a time. At some point it should start working reliably.
>
> On 03/26/2011 10:01 AM, Rich Beckwith wrote:
>>
>> I have run my T238 for many years using the "5-min avg  (modem)" mode
>> and connected via the modem to a radio without any problems.  I have a
>> data aquisition project I am working on that would benefit from the 5
>> second live modes, but am having trouble with the T238 locking up
>> after a few hours.  The lock-ups will ocurr even if the T238 is not
>> attached to the serial port.  Occassionally I will have garbage
>> displayed in the T238 window.  The "status" indicator will stop
>> flashing, usually a steady "on".
>>
>> Does anyone have experience running any of the 5 second "live" modes
>> for any length of time?  My preference would be the 5 second Peet
>> mode.  After switching back to the 5 minute averaged modem mode, all
>> is well.  I am currently running revision 1.16.1R, but had been
>> running 1.15.8 previously.
>>
>> Thanks,
>>
>> Rich - WN0X (AP006)
>>
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>
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