Hello John,
I have a CW-12, but haven't built it into anything yet. Here's some
info I posted recently on the 10 MHz output.
http://www.febo.com/pipermail/time-nuts/2010-June/048196.html
Also, Navsync has an application note that talks about cleaning up the
10 MHz output. Basically, they're saying to set up a GPSDO.
http://www.navsync.com/docs/AN03_GPS_Timing.pdf
My unit has the Motorola software load so I'm using WinOnCore to talk to
it. If you have a unit with the NMEA load, there are lots of programs
that you can use. The documentation says that it does a self-survey,
but it seems that to get the best TRAIM Sigma values, I have to send
some commands. I haven't gotten to the bottom of that yet.
Ed
John Green wrote:
I seem to remember someone saying they had actually tried one. I am looking
to put another repeater on the air and while I have another TBOLT, I like
the fact that the CW12-TIM takes a single supply. Of course, I'll have to
have 5 volts to power the antenna but I can get the 3 volts for the CW12
from that. The 10 MHz output doesn't have to be as stable as a TBOLT, it
just needs to be GPS locked. It doesn't have to have holdover. If it loses
GPS lock, it would be OK if it just stopped putting out 10 MHz. Also, do I
have to get special software to talk to it? Or, hopefully, it just does a
self survey automatically and I won't have to fool with it.
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