WLPB list file format

File to store the Widelane and phase bias information from a network. This file is used to resolve ambiguities when only one receiver is being processed.

The format is greatly based on the WLPB list from GIPSY (see $GOA/file_formats/wlpblist), with the following differences:

1. Instead of fixed format, the file is space separated
2. The mirage name used in GIPSY is not being used in GCORE
3. The widelane type (in the form of DataType output string) has been added to support ambiguity resolution using frequencies other than the traditional L1 and L2 GPS frequencies
4. The timestamps are now in GPS time instead of UTC
5. The units of the phase bias estimate are now meters intead of km

Lines starting with "#" are ignored.

WLPBLIST contains one ASCII line per arc, and each column is formatted as follows

1. Transmitter name
2. Receiver name
3. DataType name, see GispsyX DataTypes
4. Arc start (seconds past 2000-01-01 11:59:47.0000)
5. Arc end (seconds past 2000-01-01 11:59:47.0000)
6. Widelane average (in cycles)
7. Standard deviation of widelane average (in cycles)
8. Phase bias estimate (meters)

As an example:

     GPS23       ADIS    WideCode_1W_2W 500848500.000000 500880300.000000  7.077977719336893e-01  1.798403787104992e-02 -4.885365759172748e-01
     GPS41       ADIS    WideCode_1W_2W 500842800.000000 500861100.000000  4.064955204951259e-01  1.854140334361089e-02 -3.270691453735321e+00
     GPS43       ADIS    WideCode_1W_2W 500806800.000000 500806800.000000  0.000000000000000e+00 -1.000000000000000e+00  1.059993011989612e+00