[time-nuts] JJY Simulator

Tom Van Baak tvb at leapsecond.com
Thu Dec 8 13:46:07 EST 2005

I did this for WWVB a while ago. I used a PC
program to generate the timecode and a signal
generator to generate the carrier. You can then
gate the carrier using a parallel port pin or a
serial port modem pin. See:


The source code is there; I have a DCF version
as well.


----- Original Message ----- 
From: "karl strauss" <karl.f.strauss at jpl.nasa.gov>
To: <time-nuts at febo.com>
Sent: Thursday, December 08, 2005 10:39
Subject: [time-nuts] JJY Simulator

> For lab experiment I need to simulate JJY's transmission at either the 
> 40kHz or 60kHz channel
> I have a test set which outputs IRIG-B.  Is anyone aware of a translator 
> device OR Windows software that will take the IRIG signal and output a 
> simulation of JJY?
> Thanks in Advance
> Karl Strauss
> _______________________________________________
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> time-nuts at febo.com
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