PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-00:42:50
G02     55.4           36.1               11.2 +/-    0.59      17.4 +/-    0.59  0.050 / 0.090
G05     66.0           64.3               12.7 +/-    0.54      13.9 +/-    0.54  0.040 / 0.080
G12     184.9          37.4               17.0 +/-    2.29      25.8 +/-    2.29  0.180 / 0.340
G13     132.3          11.6               21.1 +/-    3.24      56.7 +/-    3.24  0.150 / 0.280
G21     266.8          13.4               18.0 +/-    1.73      46.5 +/-    1.73  0.170 / 0.430
G25     246.3          55.2               14.9 +/-    0.66      17.7 +/-    0.66  0.130 / 0.370
G29     324.2          48.5               13.9 +/-    1.52      17.8 +/-    1.52  0.030 / 0.030