PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-22:28:10
G01     93.2           30.7               10.7 +/-    1.09      18.5 +/-    1.09  0.040 / 0.060
G07     123.7          43.2               11.7 +/-    0.87      16.2 +/-    0.87  0.060 / 0.050
G11     70.1           40.3                9.4 +/-    0.92      13.5 +/-    0.92  0.040 / 0.050
G13     297.3          35.7                9.8 +/-    1.02      15.4 +/-    1.02  0.050 / 0.040
G17     211.3          52.6               12.6 +/-    0.60      15.4 +/-    0.60  0.160 / 0.230
G18     63.6           22.9                8.5 +/-    1.40      17.5 +/-    1.40  0.150 / 0.180
G19     212.9          24.1               13.6 +/-    2.55      27.1 +/-    2.55  0.070 / 0.090
G28     335.3          61.5                9.5 +/-    0.61      10.6 +/-    0.61  0.120 / 0.100
G30     94.1           77.7               10.4 +/-    0.54      10.6 +/-    0.54  0.100 / 0.170