[time-nuts] Lassen IQ receiver
Mike Monett
XDE-L2G3 at myamail.com
Sat Oct 11 06:40:16 UTC 2008
"Robert Darlington" <rdarlington at gmail.com> wrote:
> I use them for non-time keeping things. You need to use the
> configuration tool to configure the ports so that they both spit
> out NMEA, and the particular NMEA strings you want to see, and
> then save the configuration.
> Otherwise you get NMEA out of one port and the Trimble binary
> format out of the other. Do you have a copy of the software? You
> can find it here:
>http://www.trimble.com/embeddedsystems/lasseniq.aspx?dtID=support
> Also, make sure you have the IQ and not the SQ. The SQ only has
> one port but is otherwise pin compatible.
Robert,
These units look interesting. Do you mind if I ask some questions?
1. What kind of non-time keeping uses have you found for them?
2. How well do they work indoors? Do you have to be near a window?
What about inside a multi-story building?
3. How well do they handle constellation changes? Is there an abrupt
shift in position?
4. Have you ever taken the shield off and looked inside? If so, can
you see the crystal oscillator and tell whether it is a bare crystal
or a complete oscillator module?
5. How much do they cost? Do you know of any others that are
cheaper?
Thanks for your help!
Best Regards,
Mike Monett
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