PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-14:12:50
G01     59.2           30.2                7.7 +/-    2.44      13.4 +/-    2.44  0.050 / 0.040
G07     142.6          21.4               10.2 +/-    2.18      21.7 +/-    2.18  0.040 / 0.040
G11     47.4           22.1                6.5 +/-    2.43      13.7 +/-    2.43  0.060 / 0.120
G13     261.1          35.0               10.3 +/-    1.57      16.3 +/-    1.57  0.060 / 0.130
G15     296.1          15.0                5.0 +/-    1.25      12.5 +/-    1.25  0.070 / 0.120
G17     266.2          77.9               10.3 +/-    0.46      10.5 +/-    0.46  0.060 / 0.140
G18     41.5           11.9                6.8 +/-    2.74      18.3 +/-    2.74  0.050 / 0.070
G19     232.8          48.0               10.6 +/-    1.94      13.7 +/-    1.94  0.120 / 0.080
G28     36.9           56.5                8.2 +/-    0.66       9.6 +/-    0.66  0.270 / 0.380
G30     144.7          52.9               11.0 +/-    0.99      13.4 +/-    0.99  0.180 / 0.320