PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-07:43:10
G01     246.8          33.1                7.4 +/-    2.43      12.2 +/-    2.43  0.040 / 0.040
G03     315.0          47.0                3.3 +/-    1.00       4.4 +/-    1.00  0.040 / 0.040
G11     233.9          10.0                7.9 +/-    1.80      22.2 +/-    1.80  0.060 / 0.090
G14     62.5           40.5                4.5 +/-    0.77       6.4 +/-    0.77  0.050 / 0.090
G18     218.0          24.4                6.9 +/-    1.41      13.7 +/-    1.41  0.060 / 0.080
G22     296.9          70.5                5.3 +/-    0.70       5.6 +/-    0.70  0.050 / 0.090
G23     290.3          22.9                6.5 +/-    2.43      13.3 +/-    2.43  0.080 / 0.110
G26     129.5          41.9                7.7 +/-    1.04      10.8 +/-    1.04  0.080 / 0.130
G31     41.0           52.0                3.8 +/-    0.42       4.7 +/-    0.42  0.150 / 0.420
G32     81.5           18.9                2.6 +/-    0.72       5.8 +/-    0.72  0.180 / 0.430