PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/19-22:58:10
G01     91.3           31.6               12.5 +/-    1.20      21.2 +/-    1.20  0.270 / 0.140
G07     124.6          46.8               13.8 +/-    0.43      18.1 +/-    0.43  0.230 / 0.110
G08     42.5           11.6                8.3 +/-    1.85      22.5 +/-    1.85  0.070 / 0.040
G11     72.6           41.7               12.2 +/-    0.90      17.2 +/-    0.90  0.050 / 0.080
G13     296.2          35.3               12.1 +/-    3.19      19.1 +/-    3.19  0.080 / 0.070
G17     214.5          49.5               12.0 +/-    0.99      15.2 +/-    0.99  0.070 / 0.060
G19     214.3          26.1               12.9 +/-    1.87      24.7 +/-    1.87  0.540 / 0.310
G28     348.5          61.8               10.8 +/-    0.63      12.1 +/-    0.63  0.300 / 0.250
G30     106.2          73.7               13.5 +/-    1.04      14.0 +/-    1.04  0.070 / 0.120