[time-nuts] Jupiter GPSDO
ed_palmer at sasktel.net
Fri Feb 12 18:47:42 UTC 2010
ashley40 at aol.com wrote:
> Hello..... We built the " 10mhz simple GPSDO from boards supplied by G3RUH. (Using the Jupiter GPS receiver)
> Has anyone built one,
> How well does it work
I haven't built one, but people who have say its performance is
comparable to commercial units. Check out
> How exactly is the RS232 output connected to a XP computer ?
> Is the RS323 /software protocol the only way to tell if this thing is actually working ?
> We are using a trimble ( new) active antenna, mounted with a clear view of the sky.
> Does this Jpiter receiver need to be reset before use ?
> How do we tell if we are in a location that is in view of satellites ?
The more sky you can see, the better. If you only have a clear view of
the northern sky you could have problems. The GPS satellites' orbits
result in a large hole over the poles. See
There's lots of info online on the Jupiter board and software and
hardware addons for it. It's a very popular unit.
> Reply off list is just fine... The truth is, we are a bit frustrated with all of this gps business, and wonder if its worth any more time . Sorry for the long list of grumblings.
There's always that darn learing curve with a technology that's new to
you. Stick with it.
> Thank You
> Ms Ashley Hall
> 183 N 5th Avenue
> Cornelius, Oregon
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