July 27, 2011
Application Note
Page 1 of 10
NovAtel Inc.
n
1120 – 68th Avenue N.E. Calgary, AB, Canada T2E 8S5
Tel: (403) 295-4500
n
Fax: (403) 295-4501
n
Internet: http://www.novatel.com
n
Email: [email protected]
ALIGN
®
Family of
Heading Solutions
ALIGN Heading™ and ALIGN Relative Positioning™
1 Overview
This application note provides an overview of NovAtel’s ALIGN family of heading solutions, including
the ALIGN
Heading and ALIGN
Relative Positioning models. Receiver hardware setup and software
configurations are also discussed.
Heading information can be logged from NovAtel’s OEMV
®
receivers at a maximum rate of 10 Hz, or at a
maximum of 20 Hz on OEM6™ receivers. The Master receiver position accuracy can be enhanced by
adding OmniSTAR corrections or SBAS tracking, or by adding an optional RTK static base station.
2 ALIGN Models
There are two available ALIGN models:
ALIGN Heading
provides angular heading and pitch measurements. The following logs are available
at any free port:
Logs
Description
MASTERPOS
Position of the ALIGN Master
HEADING
Heading and pitch angles
HEADING2
Heading and pitch angles with ROVERID
GPHDT
NMEA heading angle
ALIGNDOP
DOP of heading computation
Table 1: ALIGN Heading Logs
ALIGN Relative Positioning
provides angular heading and pitch measurements, precise relative
positioning measurement and relative baseline information with centimetre level accuracy. The
following logs are available at any free port:
