Yo Hal! On Tue, 03 May 2016 14:29:58 -0700 Hal Murray <hmur...@megapathdsl.net> wrote:
> g...@rellim.com said: > > Please, no GPS-18s. The Garmin Binary protocol is a mess and the > > chip is over 10 years old with a weak sensitivity, no GLONASS, > > etc. Many better GPS LVC solutions. > > The GPS-18x is only 5 years old. 1/2 :) The manual was released in 2007, the last manual revision was in 2011, so no longer really suppoerted. Check your date math. > It speaks NMEA so you don't have to mess with the binary stuff. Unless you want the good data that is only in the binary. Also, no Glonass, BeiDu, EGNOS, etc. > The USB versions don't speak NMEA. I assume they ran out of ROM or > such. But they don't have a PPS so they aren't very interesting so I > don't care if I can talk to them. Yeah, not interesting at all. > Do you have suggestions for better "LVC" gear? GR-801T: http://www.navisys.com.tw/products/GPS&GNSS_%20receivers/flyer/GR-801_flyer-150703.pdf Or the GR-801R has real RS-232 levels. $35 - http://www.idealez.com/navisys/product-detail/en_US/114971 > One unit I forgot to mention on my previous message is the Sure demo > board. It has both USB and serial connections. Power from USB. No > PPS, but you can wire it up. Some of the pins are tiny so that > wiring requires some skill. USB 1.1 or 2.0? > http://www.ebay.com/itm/SKG16A-Bluetooth-RS232-USB-UART-GPS-Module-Demo-Board- > /230844194302 > > Lots of info here: > http://www.satsignal.eu/ntp/Sure-GPS.htm Cool. RGDS GARY --------------------------------------------------------------------------- Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703 g...@rellim.com Tel:+1 541 382 8588
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