PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-21:12:50
G01     104.6          26.3               11.2 +/-    1.47      21.3 +/-    1.47  0.030 / 0.050
G07     112.7          51.4               12.3 +/-    0.68      15.3 +/-    0.68  0.030 / 0.050
G08     41.5           17.2                8.8 +/-    1.58      20.8 +/-    1.58  0.070 / 0.160
G09     174.9          12.7               12.7 +/-    1.27      33.3 +/-    1.27  0.110 / 0.140
G11     83.9           42.7               12.4 +/-    0.94      17.2 +/-    0.94  0.040 / 0.040
G13     307.6          30.6               10.3 +/-    1.20      17.8 +/-    1.20  0.050 / 0.050
G17     205.6          41.3               13.1 +/-    1.18      18.7 +/-    1.18  0.240 / 0.290
G18     75.1           23.7               10.4 +/-    1.06      20.9 +/-    1.06  0.250 / 0.300
G28     314.0          59.9                9.8 +/-    0.55      11.2 +/-    0.55  0.030 / 0.030
G30     37.6           79.2               11.3 +/-    0.66      11.4 +/-    0.66  0.040 / 0.030