Fortran 77 code for implementing the Klobuchar Ionospheric Model in the ICD-GPS-200

Driver program (test_klo.for)

Subroutine to compute seconds of week (gpstime.for)

Subroutine to compute ionospheric delay (klobuchar.for)

Example input RINEX NAV file (ola_000a.00n)

Example input file for the driver program (test_klo.inp)

Output file from the driver program (gps_tool.out)  
 
 
 
 
 
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