Spatial Reference Manual
Page 18 of 158
Version 4.4
04/06/2019
3 Hardware Changelog
Version
Date
Changes
7.0
25/05/2017
GNSS receiver changed to u-blox M8P which supports RTK
6.1
05/10/2016
GNSS receiver changed to u-blox M8T which supports raw
satellite data output for use with post-processing software.
Antenna disconnected detection changed to antenna short
circuit detection.
5.1
20/10/2015
Minor internal improvements
No noticeable changes for customers
5.0
01/02/2015
GPIO pins now automatically switch from TTL levels to
RS232 levels when operating as data functions
Slew rate control on RS232 automatically changes based
upon baud rate setting
4.0
10/08/2014
Internal GNSS receiver changed to the new u-blox M8
which provides increased multipath performance
3.0
17/09/2013
New gyroscopes
New accelerometers
Connector changed to ODU
GPIO 3 and GPIO 4 became Auxiliary RS232 Tx and Rx
Dimensions increased
2.0
10/01/2013
Minor internal improvements
No noticeable changes for customers
1.0
08/05/2013
Initial release
Table 3: Hardware changelog
