Navigation Processing

The first step of processing a project is to do process the GPS and Inertial Measurement Unit (IMU) data. This uses the IPAS TC software.

When using a basestation (standard procedure) the position must be verified first:

  1. Base station position verification
  2. IPASTC Processing

If IPAS TC does not give sufficiently high accuracy then we can use IPAS Pro + GrafNav to try and get an improved result. See Processing/IPASTC for what is meant by "sufficiently high accuracy".

For data collected in 2012 onwards we can use the .sol files generated above directly in the hyperspectral processing software. There is no need to create SBET files.

Base station issues

For information on how to convert the NERC-ARF Leica basestation to RINEX data see here

If there are no basestation data with the project then check here for possible places to download from.

If you find you need to do a Network Adjustment then look here for instructions how.

For limited information on converting base station formats check this page.

For downloading Iceland basestations: IcelandBasestations.

Older instructions for pre 2012

If you need to process navigation data for the hyperspectral instruments:

Due to problems with the applanix system in 2011, instead of processing the applanix navigation separately, we now convert the IPAS .sol generated above into an .sbet and use this, with appropriate changes to the boresight and lever arms.

To convert, go into IPAS and click Tools -> File Converter.

The old applanix instructions are here:

Last modified 16 months ago Last modified on Aug 1, 2017 12:06:05 PM