PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-19:58:10
G01     126.1          11.8               10.4 +/-   28.19      27.9 +/-   28.19  0.030 / 0.040
G07     67.8           66.3               14.3 +/-    0.36      15.5 +/-    0.36  0.030 / 0.030
G08     49.3           37.8               11.6 +/-    1.49      17.6 +/-    1.49  0.080 / 0.100
G09     178.6          36.5               15.1 +/-    0.77      23.3 +/-    0.77  0.100 / 0.090
G11     115.9          36.3               15.7 +/-    1.14      24.3 +/-    1.14  0.160 / 0.410
G13     320.7          12.8                0.2 +/-   21.62       0.5 +/-   21.62  0.090 / 0.390
G17     199.1          16.5               16.6 +/-    2.74      39.7 +/-    2.74  0.060 / 0.130
G18     100.4          16.9               13.5 +/-    1.87      32.0 +/-    1.87  0.090 / 0.100
G28     272.6          50.1               14.4 +/-    2.34      18.1 +/-    2.34  0.040 / 0.030
G30     334.7          61.9               12.8 +/-    0.74      14.3 +/-    0.74  0.030 / 0.030