This version updates the system to allow the user to select between the JHS or USGS algorithm for Transverse Mercator computations. The system will also automatically detect the Sercel comment message detailing which TM method to use.

This version adds in support for checking the P2/11 v1.1 H2,0,1,1 record

This version contains a minor fix to the P294 to avoid a false error when checking a H24@0 record for a single receiver.

This version adds a separate SPS and P1/11 Source-Receiver relationship checking application into NavPoint.

There are also a couple of minor changes to the P294 format checker

• Fixed Requirement Checking of H00@9 when no waypoints defined
• Fixed Seismic Receiver Group Check for Groups > 1000

This version fixes two minor errors when checking SPS v2.1 files. The check of Instrument Codes in the relation (X) file was not picking up the correct value, and the linename format has been changed to F10.2 as per the format definition.

This version updates the checking of the P1/11 H1,2,2,0 record to allow for single receiver group definition

This version contains a number of minor updates

• Fixed false error checking H2,2,2,0 with a single group defined
• Fixed checking of comment record
• Updated to EPSG v9
• Updated Checking of Realtime Tidal Correction Records

This version updates the system to handle badly formatted Px/11 files.

This version contains an update to the POSC Unit for Measure parameter checking

This version fixes a bug in the display of Px/11 files with long lines