PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-21:43:10
G01     93.1           30.7               12.0 +/-    0.99      20.7 +/-    0.99  0.030 / 0.050
G07     123.8          42.7               12.1 +/-    1.28      16.8 +/-    1.28  0.040 / 0.050
G11     70.1           40.4               10.6 +/-    0.84      15.3 +/-    0.84  0.040 / 0.040
G13     297.2          35.8               10.5 +/-    0.93      16.3 +/-    0.93  0.050 / 0.050
G17     211.3          52.3               13.1 +/-    0.55      16.1 +/-    0.55  0.150 / 0.210
G18     63.8           23.0                9.6 +/-    1.45      19.7 +/-    1.45  0.210 / 0.260
G19     212.8          24.3               13.7 +/-    2.78      27.3 +/-    2.78  0.080 / 0.100
G28     334.9          61.5                9.8 +/-    0.69      11.0 +/-    0.69  0.080 / 0.150
G30     95.2           77.4               11.9 +/-    0.71      12.2 +/-    0.71  0.030 / 0.020