PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-07:42:40
G01     63.0           30.7                3.2 +/-    1.42       5.5 +/-    1.42  0.030 / 0.030
G06     180.0          11.4               -1.0 +/-   28.31      -2.7 +/-   28.31  0.030 / 0.040
G07     139.8          25.7                6.7 +/-    1.26      12.9 +/-    1.26  0.050 / 0.110
G11     51.2           29.9                4.2 +/-    0.59       7.4 +/-    0.59  0.050 / 0.090
G13     266.3          37.7                7.8 +/-    1.22      11.8 +/-    1.22  0.040 / 0.120
G15     296.6          16.5                2.7 +/-    1.35       6.6 +/-    1.35  0.050 / 0.100
G17     242.0          73.0                8.7 +/-    0.65       9.0 +/-    0.65  0.070 / 0.170
G19     227.5          49.1                9.1 +/-    0.98      11.6 +/-    0.98  0.080 / 0.160
G28     13.1           60.8                4.9 +/-    0.55       5.5 +/-    0.55  0.040 / 0.050
G30     141.2          59.9                8.1 +/-    0.67       9.2 +/-    0.67  0.040 / 0.050