TX Information

============================ txinfodef.txt ==================================
This file defines the columns of data in the txinfo.log files produced by the
GRID software receiver. Each txinfo.log file contains time-stamped
transmitter information in the form of azimuth angle, elevation angle, and
health status for tracked transmitters. See channeldef.txt for a definition of
ORT. ORT time stamps indicate the time at which the transmitter information
applies.
=============================================================================

Column Quantity

1 ----------- ORT week number.

2 ----------- ORT whole seconds of week.

3 ----------- ORT fractional second.

4 ----------- Azimuth in degrees.

5 ----------- Elevation in degrees.

6 ----------- Health status, where zero is nominal.

7 ----------- System:
0 GPS
1 GALILEO
2 GLONASS
3 CDMA

8 ----------- Transmitter identification number (TXID).

=============================================================================

Source