PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/07-16:58:00
G01     47.1           23.1                8.3 +/-    0.64      16.9 +/-    0.64  0.070 / 0.100
G06     175.7          30.4               14.6 +/-    2.04      25.3 +/-    2.04  0.060 / 0.090
G11     43.8           11.5                9.1 +/-    1.66      24.7 +/-    1.66  0.080 / 0.120
G13     246.3          28.2               12.2 +/-    1.68      22.1 +/-    1.68  0.080 / 0.150
G15     282.0          14.4               11.1 +/-    1.81      27.9 +/-    1.81  0.200 / 0.450
G17     330.2          77.1               12.5 +/-    1.07      12.8 +/-    1.07  0.190 / 0.620
G19     251.4          60.4               13.4 +/-    1.13      15.2 +/-    1.13  0.200 / 0.470
G24     318.5          12.3               -8.9 +/-   33.59     -23.5 +/-   33.59  0.210 / 0.340
G28     58.2           51.3               12.0 +/-    0.86      14.9 +/-    0.86  0.040 / 0.060
G30     151.6          37.9               13.4 +/-    1.16      20.2 +/-    1.16  0.040 / 0.070