[Elecraft] accurate time

[Bill Johnson]

Dick,

Thank you!  That puts it in format I can understand.  Now I can play!  Thank
you!!!


73,

Bill
K9YEQ
K2 #35; KX1 #35; K3 #1744; mini mods
-----Original Message-----
From: Dick Dievendorff [mailto:dieven at comcast.net] 
Sent: Monday, March 09, 2009 8:19 PM
To: 'Bill Johnson'
Subject: RE: [Elecraft] accurate time

Oh, it's going to take some logic surrounding those commands!

If you use the command tester and watch your rig you can see what has to
happen.

K31;
MN073; you should see "time" in VFO B area and the HH:MM:SS in the VFO A
area.
SWT11; and the HH should blink.
Then, depending on the time of day you'll have to use the UP; or DN;
commands to alter the HH part of the time.
When you get the HH right, then enter SWT12; and the MM part should start
blinking.  Depending on the time of day and what the K3's MM says, use UP;
or DN; to get the minutes right.  SWT13; and do the same for seconds.

Maybe it'd be better to do the seconds first.

Then MN255; to wrap it all up.

It requires some programming to do this automatically.  If I do this I'll
have to deal with the choice of local time or UTC, and also in setting the
date there is a choice of order of the parts of the date.  It's these
details that make it a lengthy process.

Dick, K6KR


-----Original Message-----
From: Bill Johnson [mailto:bill at creeksidecomputing.com] 
Sent: Monday, March 09, 2009 6:07 PM
To: 'Dick Dievendorff'
Cc: Elecraft at mailman.qth.net
Subject: RE: [Elecraft] accurate time

That's exactly what I thought we were trying to do.  I entered the commands
and zilch.


73,

Bill
K9YEQ
K2 #35; KX1 #35; K3 #1744; mini mods


-----Original Message-----
From: Dick Dievendorff [mailto:dieven at comcast.net] 
Sent: Monday, March 09, 2009 8:00 PM
To: 'Bill Johnson'
Subject: RE: [Elecraft] accurate time

As I understand this thread, we're trying to set the K3's time-of-day clock
from a personal computer.

Dick


-----Original Message-----
From: Bill Johnson [mailto:bill at creeksidecomputing.com] 
Sent: Monday, March 09, 2009 1:50 PM
To: 'Dick Dievendorff'; Elecraft at mailman.qth.net
Subject: RE: [Elecraft] accurate time

I guess I misunderstood.  I thought your commands would collect the Time
data and send it to the radio.  


73,

Bill
K9YEQ
K2 #35; KX1 #35; K3 #1744; mini mods


-----Original Message-----
From: Dick Dievendorff [mailto:dieven at comcast.net] 
Sent: Monday, March 09, 2009 3:46 PM
To: 'Bill Johnson'; Elecraft at mailman.qth.net
Subject: RE: [Elecraft] accurate time

My approach would be to view the result of the DS; command (which shows
what's in VFO A) and then use the UP; command OR the DN; command to get the
VFO A display to match my notion of the correct time.


Dick, K6KR


-----Original Message-----
From: Bill Johnson [mailto:bill at creeksidecomputing.com] 
Sent: Monday, March 09, 2009 1:41 PM
To: 'Dick Dievendorff'; 'Terry'; Elecraft at mailman.qth.net
Subject: RE: [Elecraft] accurate time

Dick,

Are the "or" s to be construed as optional or are they part of the command?


73,

Bill
K9YEQ
K2 #35; KX1 #35; K3 #1744; mini mods


-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Dick Dievendorff
Sent: Monday, March 09, 2009 3:11 PM
To: 'Terry'; Elecraft at mailman.qth.net
Subject: Re: [Elecraft] accurate time

Yes, it can.

The K3 commands involved are K31; MN073; DS; SWT11; UP; or DN; SWT12; UP; or
DN; SWT13; UP; or DN; and MN255;

Recent versions of Windows (certainly XP and beyond) include an NTP client
that can synchronize with one of several NTP servers.  You right click the
time in the status bar, choose "Adjust Date/Time", select the "Internet
Time" tab, optionally provide an alternate NTP server and punch the "update
now" button.  No special NTP client code is required to get to the accuracy
necessary for this sort of task.

Dick, K6KR


-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Terry
Sent: Monday, March 09, 2009 11:37 AM
To: Elecraft at mailman.qth.net
Subject: Re: [Elecraft] accurate time

Can the RTC be set via a software command?  The software could check an 
internet time server and update the K3 as necessary.

73 de Terry KK6T

SM6TUW wrote:
>> While on the subject of time, where is the oscillator that is used by
>> the built-in clock on the K3?
>>     
>
> Front panel board.
>
>   
>> Is it adjustable?
>>     
>
> No. Sorry...
>
> 73,
> Lyle KK7P
>
> I consulted the data sheet for the clock circuit PCF8563T (U16 in the K3
> circuit diagram ) You can adjust the average deviation over one year less
> than +- 5 minutes. Adjustment of one capacitior (C60) is required though.
> http://www.nxp.com/acrobat_download/datasheets/PCF8563_6.pdf
>
> I feel that i have less accuracy  on my K3 than my quarz clocks in the
> schack so i will try this approach.
> Lyle - when will we get a service manual (with PCB layout ) for
> this wonderful station?
>
> 73
> Jan SM6TUW
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