[ct-user] Thanks - CT DOS Users Check your Log times for WPX

R Johnson k1vu at tmlp.com
Wed Apr 4 23:32:23 EDT 2007


Thanks To:
Ed, Jim, Bob, and ALL others on the list for the help with my EST/DST change over problem for CT DOS.

After being reminded about the existence of the "DOS SET TZ" variable I reset it in my CT batch
file to "SET TZ=EST4EDT" to correct the CT time for GMT.

On April 1st I found that CT was again off by 1 hr which I expected !!!
After resetting my CT batch file to "SET TZ=EST5EDT" corrected the problem.

Guess I'll be watching CT DOS closely in the Fall unless I have changed over to CT WIN by then.

I'm still not sure where CT gets its' time data from, CT, BIOS, or what.

Still working on why the "CT_TIME" utility not working, but that's for another subject !!!

TNX to all !!!

73
Bob, K1VU


At 03:37 3/28/2007, R Johnson wrote:
>At 07:36 3/27/2007, Jim Reisert AD1C wrote:
>>At 11:48 PM 3/25/2007, R Johnson wrote:
>>
>>>After using CT DOS V10 for the CQ WPX contest I found all of my times were off  by +1 Hour.
>>>I checked CT WIN and it was logging the correct time, just a problem with CT DOS.
>>
>>This is an interesting situation.
>
>Very interesting for the "Dark Ages" of the DOS OP System !!!
>
>>My understanding is that DOS gets time from the BIOS.  I doubt any BIOS or DOS have been patched with the new DST rules.
>
>After doing a little research, "DOS TIME" was based on GMT only, thus the need to include
>the Time Variable "SET TZ= EST?EDT" (or whatever your offset is/was) !!!
>
>>If your computer is set to local time, you probably have a TZ variable defined somewhere:
>>  setenv TZ=EST5EDT
>
>Yes it was !!!
>
>>I'll bet that doesn't work between March 11 and April 1 (the "traditional" start of DST in the US).
>
>That's my guess also, I'm waiting to see how things play out !!! Obversely I'll be doubly
>checking CT's time vs GMT for the next few weeks !!! 
>
>
>>My guess is that during the 3 earlier and (?) later weeks of DST, you will need to change this to:
>>
>>  setenv TZ=EST4EDT
>
>I did that after I was aware of the of the problem and it fixed it !!! Used EST4EDT !!!
>
>>Now what happens on the CQWW Phone weekend, where time traditionally changed, is anyone's guess.
>
>Guess I'll have to watch  for that TEST, but I usually conk out before the change over !!!
>
>>As Bob noted, CTWIN gets its time from Windows, and it is correct (I just checked, my PC is set to
>>local time).
>
>Makes sense after thinking about how MICROSOFT handled time between DOS and WINDOWS>
>
>>I think you're best off setting your DOS PC to GMT and using CT with no TZ variable.
>
>Nope, I can live with it the way I used CT for almost 20 years (Old GEEZER speaking) !!!
>
>>As to correcting existing logs, make sure you have the right "flavor" of CT_TIME, there are
>>different versions for CT9 and CT10, and for running in an MS-DOS prompt under Windows,
>>vs. running under real DOS.
>
>Hence the next problem to be addressed. Things don't seem to work wright with CT_TIME.
>
>I'll have to get back to you with the results of my tests !!!
>
>>73 - Jim AD1C
>
>73 Bob, K1VU
>
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>>-- 
>>Jim Reisert AD1C, 7 Charlemont Court, North Chelmsford, MA 01863
>>USA +978-251-9933, <jjreisert at alum.mit.edu>, http://www.ad1c.us
>
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