navdmp Data Collector

edit

Description

This application prints the contents of a FIC or RINEX navigation file into a human readable file and allows filtering of the data.

Command Summary

Required Arguments:
Short Arg. Long Arg. Description
-i --input=<arg> Increase debug level.
-o --output=<arg> Increase verbosity.

Optional Arguments:
Short Arg. Long Arg. Description
-d --debug Increase debug level.
-v --verbose Increase verbosity.
-h --help Print help usage.
-a --all-records Unless otherwise specified, use default values for record filtration.
-t --time=<TIME> Start time (of data) for processing.
-e --end-time=<TIME> End time (of data) for processing.
-p --prn=<NUM> PRN(s) to include.
-b --block=<NUM> FIC block number(s) to process ((9)109 (Engineering ephemerides, (62)162 (engineering) almanacs).
-r --RINEX Assume input file is a RINEX navigation message file.

Examples

> navdmp -i data_set/s081213a.99n -o summary --RINEX

Current filtering options:
        Start time:     01/06/1980 00:00:00
        End time:       01/01/4713 00:00:00
        PRNs:           using all PRNs

Choose an option by number then push enter:
        1) Change the start time
        2) Change the end time
        3) Select specific PRNs
        5) Process the file
use ctrl-c to exit
? 5

processing...

Summary File Snippet

****************************************************************************
Broadcast Ephemeris (Engineering Units)

PRN : 14

              Week(10bt)     SOW     DOW   UTD     SOD   MM/DD/YYYY   HH:MM:SS
Clock Epoch:  1021(1021)    7200   Sun-0   213    7200   08/01/1999   02:00:00
Eph Epoch:    1021(1021)    7200   Sun-0   213    7200   08/01/1999   02:00:00
Transmit Week:1021
Fit interval flag :  0

          SUBFRAME OVERHEAD

               SOW    DOW:HH:MM:SS     IOD    ALERT   A-S
SF1 HOW:         6  Sun-0:00:00:06   0x023      0     off
SF2 HOW:         6  Sun-0:00:00:06    0x23      0     off
SF3 HOW:         6  Sun-0:00:00:06    0x23      0     off

           CLOCK

Bias T0:       2.82567926E-05 sec
Drift:         1.02318154E-12 sec/sec
Drift rate:    0.00000000E+00 sec/(sec**2)
Group delay:  -2.32830644E-09 sec

           ORBIT PARAMETERS

Semi-major axis:         5.15359685E+03 m**.5
Motion correction:       4.44732811E-09 rad/sec
Eccentricity:            8.10711295E-04
Arg of perigee:          2.16661714E+00 rad
Mean anomaly at epoch:   1.75307843E-01 rad
Right ascension:         2.02857661E+00 rad     -8.31963226E-09 rad/sec
Inclination:             9.77089255E-01 rad      2.20723480E-10 rad/sec

           HARMONIC CORRECTIONS

Radial        Sine:   1.31875000E+01 m    Cosine:   3.31593750E+02 m
Inclination   Sine:   5.77419996E-08 rad  Cosine:  -1.86264515E-08 rad
In-track      Sine:   2.74367630E-06 rad  Cosine:   6.27711415E-07 rad

           SV STATUS

Health bits:   0x00      URA index:    7
Code on L2:    P only      L2 P Nav data:          on

****************************************************************************

-- NicoleQuindara - 04 Aug 2011
Topic revision: r2 - 05 Aug 2011, NicoleQuindara
 

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