3 This is a GPS-based position tracker and logger. It uses the same GPS
4 receiver and similar radio to our flight computers, but does not include
5 pyro circuits. This allows the board to be small and light, so that it will
6 fit well anywhere you need a good GPS tracker.
8 For the latest TeleGPS firmware and related ground station software, please
9 visit the [AltOS](../AltOS) page on this site.
11 These are photos of an earlier prototype version, the final boards are
14 <a href="v0.3/telegps-top.jpg"> <img src="v0.3/telegps-top-thumb.jpg"></a>
15 <a href="v0.3/telegps-parts.jpg"> <img src="v0.3/telegps-parts-thumb.jpg"></a>
21 * GPS tracker and logger
22 * Offers custom digital telemetry, APRS and direction beacons
23 * High-dynamics GPS receiver for accurate tracking
24 * Uses 3.7V Lithium Polymer battery.
25 * 1.5 x 1.0 inch board designed to fit inside 29mm airframe coupler tube
26 * 2MB on-board data logging flash
27 * Built-in USB connection for configuration, data download and battery charging
29 ### Developer View ###
32 * [NXP LPC11U14](http://www.nxp.com/products/microcontrollers/cortex_m0_m0/LPC11U14FHI33.html) System-on-Chip
37 * 8 12-bit analog inputs
38 * I2C, SPI, async serial
40 * [uBlox Max 7Q](http://www.u-blox.com/en/gps-modules/pvt-modules/max-7.html) GPS receiver
43 * Written mostly in C with some ARM assembler
44 * Runs from on-chip flash, uses on-chip RAM, stores tracking data to
47 * [gEDA](http://www.gpleda.org/) for schematic capture and PCB layout
48 * [GCC](http://gcc.gnu.org/) compiler and source debugger
50 * The hardware is licensed under the [TAPR](http://www.tapr.org) [Open Hardware License](http://www.tapr.org/ohl.html)
51 * The software is licensed [GPL version 2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
55 There is a single manual for TeleGPS and all other Altus Metrum products,
56 which is available in [html](../AltOS/doc/altusmetrum.html) and
57 [pdf](../AltOS/doc/altusmetrum.pdf) formats.
59 The hardware design files can be found on [git.gag.com](http://git.gag.com)
60 in the project [hw/telegps](http://git.gag.com/?p=hw/telegps;a=summary).
64 We expect to have these for sale in late May 2014.