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2 interpreting telemetry data going to a file – Triton Isis User Manual

Page 215

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June 2004 Isis® Sonar User's Manual, Volume1

201

Table 9-5. Sample serial port output extracted from telemetry

Record Record’s Contents

1

47.6684800 -122.2358300 10.4 -4.96 +3.82 3.39 32.7 9.1 90.0
+59.20 +0.00 +0.00 +0.00 +0.00 +0.00 0 0.000000 0.000000
0.000000

2

47.6684800 -122.2358300 9.3 -4.07 +3.82 3.39 32.6 9.1 90.0
+59.20 +0.00 +0.00 +0.00 +0.00 +0.00 0 0.000000 0.00
0.000000 0.000000


The word-wrapping appearing in the above examples appears because of
the constraints of margins used in this presentation. Interpret each record as
a single string lacking any carriage return/line feed breaks.

9.10.2 Interpreting Telemetry Data Going to a File

Generic telemetric data going to a file is output in the following form as a
single string:

Day Month Year Hour Minute Seconds Nav_Y_position
Nav_X_position heading pitch roll speed depth altitude
range_scale Aux(1) Aux(2) Aux(3) Aux(4) Aux(5) Aux(6)
Event_# Magnetometer_X Magnetometer_Y Magnetometer_Z


Again, space considerations in this document force us to show the string on
multiple lines.
Note:

Underscores are used above to join words together when two or

more words represent a single string; white space delimits the variables.
The altitude is usually derived from towfish telemetry. If bottom track is
enabled, then altitude comes from bottom-tracking. Range-scale comes
from the first channel.

Table 9-6 shows sample output (two records), captured to a file.




Chapter 9: Using the Tools Menu