PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-22:12:50
G01     107.2          25.0               11.4 +/-    1.16      22.3 +/-    1.16  0.040 / 0.060
G07     109.1          54.0               10.7 +/-    0.25      12.9 +/-    0.25  0.050 / 0.060
G08     41.6           19.1                7.2 +/-    0.77      16.1 +/-    0.77  0.070 / 0.190
G09     175.2          14.7               15.0 +/-    1.74      37.6 +/-    1.74  0.080 / 0.210
G11     87.3           42.7               12.2 +/-    0.37      17.0 +/-    0.37  0.030 / 0.040
G13     309.7          29.0                7.8 +/-    1.10      14.0 +/-    1.10  0.030 / 0.030
G17     204.5          39.1               13.2 +/-    1.69      19.5 +/-    1.69  0.090 / 0.150
G18     77.4           23.3                9.1 +/-    0.84      18.4 +/-    0.84  0.090 / 0.170
G28     309.7          59.5               10.3 +/-    1.05      11.8 +/-    1.05  0.030 / 0.060
G30     22.4           78.0               11.4 +/-    0.75      11.7 +/-    0.75  0.030 / 0.050