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Author Topic: Logbook Entries  (Read 2700 times)
AB8IF
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Posts: 22




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« on: March 11, 2012, 09:43:04 AM »

I operate in the ET time zone. Suppose I have a late night QSO where the UTC entry corresponds to the following day with respect to my time zone. Should my logbook (and QSL card) record the ET date or the UTC date?

This is something I should know, but in 30 years of operating I've not done late night QSOs  Grin !

AB8IF
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N7NBB
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Posts: 380


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« Reply #1 on: March 11, 2012, 10:14:05 AM »

I ALWAYS reference both TIME and DATE to UTC when logging contacts.
For me "tomorrow" happens at MY 17:00 local (0000 UTC).  I think that is the standard convention.
If everyone uses UTC DATE info, then there are no chance of errors or omissions when it comes to logs.


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KS2G
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Posts: 411




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« Reply #2 on: March 11, 2012, 11:29:35 AM »

Please don't take this the wrong way, but it's really surpsing that you say you've been operating for 30 years and don't know that it's standard practice for logging (both date and time) and QSL information to be done in UTC (formerly GMT, also known as Zulu Time).

In the Eastern time zone that would be five hours later than your local time during Standard Time, and four hours later during Daylight Saving Time.

(Although many other countries observe local  "Summer Time" like our Daylight Saving Time, UTC doesn't change with the seasons.)

So "midnight" occurs, and the date "changes to the next day" at 8:00 p.m. EST and 7:00 p.m. EDT

That offset is built into most, if not all, of the popular computer logging programs, which do the conversation and make the time and date the adjustment automatically.

73,
Mel - KS2G
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AB8IF
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Posts: 22




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« Reply #3 on: March 11, 2012, 01:25:11 PM »

I ALWAYS reference both TIME and DATE to UTC when logging contacts.

That's the only way it makes sense to me.
Tnx
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AB8IF
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Posts: 22




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« Reply #4 on: March 11, 2012, 01:31:26 PM »

Please don't take this the wrong way, but it's really surpsing that you say you've been operating for 30 years and don't know that it's standard practice
73,
Mel - KS2G

Actually it's not so surprising figuring I have operated only 2 of those 30 years! Now that I have retired I hope to do some catch up!
73, Roger AB8IF
« Last Edit: March 11, 2012, 01:33:03 PM by AB8IF » Logged
KD0BKH
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Posts: 59




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« Reply #5 on: March 14, 2012, 04:06:25 PM »


So "midnight" occurs, and the date "changes to the next day" at 8:00 p.m. EST and 7:00 p.m. EDT


73,
Mel - KS2G

Not wanting to nit pick, I think you meant the other way around - 7:00 P.M. (1900) EST and 8:00 P.M. (2000) EDT

73,

Ed - KD0BKH
« Last Edit: March 14, 2012, 04:22:31 PM by KD0BKH » Logged
KS2G
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Posts: 411




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« Reply #6 on: March 14, 2012, 08:11:40 PM »

Thanks, Ed.
You're not nit-picking.
You're correcting my error  -- "date change" occurs at 7:00 p.m. EST and 8:00 p.m. EDT
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W0FM
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Posts: 2055




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« Reply #7 on: March 15, 2012, 02:34:58 PM »

My old ARRL paper log books have spaces for START and END QSO times.  After abandoning the paper logging process years ago, I now always log only the Start time.  And that reflects the current UTC time and date, even if my QSO for that station lasts a week.   Wink

Terry, WØFM
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NO2A
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Posts: 785




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« Reply #8 on: March 15, 2012, 07:43:53 PM »

Now what`s really confusing is the difference between GMT and UTC time. They`re not exactly the same,but for all practical intents they are.
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N2EY
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Posts: 3879




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« Reply #9 on: March 16, 2012, 05:48:46 AM »

From the very beginning, I have always logged in GMT/UTC/Zulu time and date. No confusion that way. Shack clock has always been on that time, which confuses everyone else.

73 de Jim, N2EY
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