PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-16:28:00
G01     218.9          10.1                7.3 +/-   25.20      20.2 +/-   25.20  0.040 / 0.050
G03     246.0          71.1                8.4 +/-    0.68       8.9 +/-    0.68  0.040 / 0.050
G09     299.7          13.5                6.8 +/-    3.07      17.5 +/-    3.07  0.140 / 0.470
G14     95.3           17.1                9.4 +/-    1.40      22.1 +/-    1.40  0.130 / 0.490
G16     144.4          51.8               10.5 +/-    0.79      12.9 +/-    0.79  0.040 / 0.050
G22     195.0          59.1                8.8 +/-    1.61      10.1 +/-    1.61  0.040 / 0.060
G23     314.2          43.8                6.5 +/-    1.96       8.9 +/-    1.96  0.070 / 0.090
G26     85.5           56.2                7.1 +/-    0.67       8.4 +/-    0.67  0.050 / 0.100
G31     48.9           26.0                7.5 +/-    1.01      14.4 +/-    1.01  0.290 / 0.490