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Discussion of precise time and frequency measurement

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Info on CTS-10 WWV clock board

RH
Russ Hummel
Tue, Feb 22, 2011 4:17 PM

Hi  folks, I am new to the group and am looking
to see if anyone is familiar with a WWV  receiver
board made by Coordinated Time Link Co in Santa
Clara CA in the middle 1990s.  It is a model
CTS-10 and is  a ISA board for a PC that receives
WWV , decodes the time signal and sets the clock
on the PC. I have  had  this system running in my
WX satellite computer since the 90's however the
software doesn't support the year beyond 2010. I
have all the disks and documentation but cannot
locate the company on the WEB.  Has anyone else
used this board and has any one hacked the driver
software to over come the 2010 year
limitation.  All the hardware works , it just
doesn't display the correct year which make the
satellite predications all wrong . Any help would be appreciated

Thanks in advance
Russ  W4PGT

Russ Hummel
Have Space Suit...... Will Travel
Retirement means Every Day is Saturday !
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Hi folks, I am new to the group and am looking to see if anyone is familiar with a WWV receiver board made by Coordinated Time Link Co in Santa Clara CA in the middle 1990s. It is a model CTS-10 and is a ISA board for a PC that receives WWV , decodes the time signal and sets the clock on the PC. I have had this system running in my WX satellite computer since the 90's however the software doesn't support the year beyond 2010. I have all the disks and documentation but cannot locate the company on the WEB. Has anyone else used this board and has any one hacked the driver software to over come the 2010 year limitation. All the hardware works , it just doesn't display the correct year which make the satellite predications all wrong . Any help would be appreciated Thanks in advance Russ W4PGT - Russ Hummel Have Space Suit...... Will Travel Retirement means Every Day is Saturday ! [] This message and accompanying documents are covered by the Electronic Communications Privacy Act, 18 U.S.C. §§ 2510-2521, and contain information intended for the specified individual(s) only. This information is confidential. If you are not the intended recipient or an agent responsible for delivering it to the intended recipient, you are hereby notified that you have received this document in error and that any review, dissemination, copying, or the taking of any action based on the contents of this information is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail, and delete the original message.
CA
Chris Albertson
Tue, Feb 22, 2011 7:57 PM

The three ideas below assumes your software is getting the time from
the PC's clock and the WWV board is setting the PC's clock.  If the
software gets the time direct from the receiver board, then it's
lilely time for new software.  But assuming the more rational design
where all you need is a acuate time (within a millisecond) on the PC,
that's easy.

  1. Now days, if you have even a half-way decent full time Internet
    connection NTP can get you about as good of time accuracy as WWV,
    maybe better.  And assuming you already have the Internet connection
    NTP is free.  ANd for WX sat tracking milliseconds should be good
    enough

  2. Can you get an audio signal out of the reciever board?  If so the
    standard NTP software distribution has an audio WWV decoder that does
    work in 2011.  It will keep your PC and others clock sync'd to the WWV
    audio signal.

  3. GPS is not expensive and for most people has replaced WWV.  If you
    can DIY at all you can get a very basic setup for about $50.  $200 for
    a turn-key and then your PC clock can by accurate to within a handful
    of microseconds

But still it would be cool to have that WWV reciever board working

On Tue, Feb 22, 2011 at 8:17 AM, Russ Hummel RShummel1@cox.net wrote:

Hi  folks, I am new to the group and am looking to see if anyone is familiar
with a WWV  receiver board made by Coordinated Time Link Co in Santa Clara
CA in the middle 1990s.  It is a model CTS-10 and is  a ISA board for a PC
that receives WWV , decodes the time signal and sets the clock on the PC. I
have  had  this system running in my WX satellite computer since the 90's
however the software doesn't support the year beyond 2010. I have all the
disks and documentation but cannot locate the company on the WEB.  Has
anyone else used this board and has any one hacked the driver software to
over come the 2010 year limitation.  All the hardware works , it just
doesn't display the correct year which make the satellite predications all
wrong . Any help would be appreciated

Thanks in advance
Russ  W4PGT

Russ Hummel
Have Space Suit...... Will Travel
Retirement means Every Day is Saturday !
[]
 This message and accompanying documents are covered by the Electronic
Communications Privacy Act, 18 U.S.C. §§ 2510-2521, and contain information
intended for the specified individual(s) only. This information is
confidential. If you are not the intended recipient or an agent responsible
for delivering it to the intended recipient, you are hereby notified that
you have received this document in error and that any review, dissemination,
copying, or the taking of any action based on the contents of this
information is strictly prohibited. If you have received this communication
in error, please notify us immediately by e-mail, and delete the original
message.


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--

Chris Albertson
Redondo Beach, California

The three ideas below assumes your software is getting the time from the PC's clock and the WWV board is setting the PC's clock. If the software gets the time direct from the receiver board, then it's lilely time for new software. But assuming the more rational design where all you need is a acuate time (within a millisecond) on the PC, that's easy. 1) Now days, if you have even a half-way decent full time Internet connection NTP can get you about as good of time accuracy as WWV, maybe better. And assuming you already have the Internet connection NTP is free. ANd for WX sat tracking milliseconds should be good enough 2) Can you get an audio signal out of the reciever board? If so the standard NTP software distribution has an audio WWV decoder that does work in 2011. It will keep your PC and others clock sync'd to the WWV audio signal. 3) GPS is not expensive and for most people has replaced WWV. If you can DIY at all you can get a very basic setup for about $50. $200 for a turn-key and then your PC clock can by accurate to within a handful of microseconds But still it would be cool to have that WWV reciever board working On Tue, Feb 22, 2011 at 8:17 AM, Russ Hummel <RShummel1@cox.net> wrote: > Hi  folks, I am new to the group and am looking to see if anyone is familiar > with a WWV  receiver board made by Coordinated Time Link Co in Santa Clara > CA in the middle 1990s.  It is a model CTS-10 and is  a ISA board for a PC > that receives WWV , decodes the time signal and sets the clock on the PC. I > have  had  this system running in my WX satellite computer since the 90's > however the software doesn't support the year beyond 2010. I have all the > disks and documentation but cannot locate the company on the WEB.  Has > anyone else used this board and has any one hacked the driver software to > over come the 2010 year limitation.  All the hardware works , it just > doesn't display the correct year which make the satellite predications all > wrong . Any help would be appreciated > > Thanks in advance > Russ  W4PGT > > - > Russ Hummel > Have Space Suit...... Will Travel > Retirement means Every Day is Saturday ! > [] >  This message and accompanying documents are covered by the Electronic > Communications Privacy Act, 18 U.S.C. §§ 2510-2521, and contain information > intended for the specified individual(s) only. This information is > confidential. If you are not the intended recipient or an agent responsible > for delivering it to the intended recipient, you are hereby notified that > you have received this document in error and that any review, dissemination, > copying, or the taking of any action based on the contents of this > information is strictly prohibited. If you have received this communication > in error, please notify us immediately by e-mail, and delete the original > message. > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > -- ===== Chris Albertson Redondo Beach, California