[aprssig] Deluo GPS Lite altitude limit

Stephen H. Smith wa8lmf2 at aol.com
Thu Apr 21 21:42:21 CDT 2005

scott at opentrac.org wrote:

>That's the one I was thinking of when I set out looking for a GPS receiver
>to carry, but it's not the one I got.  Here's the current GPS Lite model:
>This one's about 17mm shorter, and a bit thinner.  Small enough that I
>should be able to use it in place of a GPS board + shoulder-mounted patch
>antenna combo for SAR use.  Not sure how waterproof it is, but it looks like
>it could take a bit of rain.  Would be fine in a nylon pocket on the
>Need to find out what engine it's using, if it's got the altitude limit, if
>it'll do the power saving modes, and so on.
According to the Deluo web site it's based on a Sony chip set.  Some of 
the specs from the downloadable PDF-format spec sheet:

    Altitude: max. 18,000m
    Velocity: max. 500m/sec
    Acceleration. max. ±4g

Navigation update rate:
   Once per second

Serial I/O :
   Series RS-232 signal   4.8K (optional 9.6K)
   NMEA 0183:GGA, GSV, GSA,  RMC,(optional VTG,GLL)

The GLL sentence  being "optional" could cause problems with some map 
software and APRS devices.  (I assume there is a utility or 
straightforward command string to enable it.)

Stephen H. Smith             wa8lmf (at) aol.com
Home Page:                   http://wa8lmf.com

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