PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/03-23:58:10
G01     61.7           31.0                9.9 +/-    1.15      17.0 +/-    1.15  0.130 / 0.140
G07     140.9          19.7                9.2 +/-    2.58      20.4 +/-    2.58  0.090 / 0.160
G11     48.2           23.9                8.3 +/-    1.83      16.7 +/-    1.83  0.080 / 0.130
G13     263.9          36.4               10.9 +/-    1.93      16.9 +/-    1.93  0.070 / 0.110
G15     295.1          16.4                9.0 +/-    1.55      21.7 +/-    1.55  0.040 / 0.040
G17     256.0          77.4                5.9 +/-    0.72       6.0 +/-    0.72  0.030 / 0.040
G18     41.2           11.5                6.9 +/-    1.72      18.7 +/-    1.72  0.080 / 0.120
G19     230.1          48.6               10.3 +/-    2.37      13.2 +/-    2.37  0.100 / 0.100
G28     26.6           58.8               10.9 +/-    1.27      12.5 +/-    1.27  0.240 / 0.340
G30     142.5          54.0               10.7 +/-    0.48      12.8 +/-    0.48  0.190 / 0.360