PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-13:27:50
G01     92.5           31.2                8.4 +/-    0.85      14.3 +/-    0.85  0.030 / 0.040
G07     123.6          47.2                6.9 +/-    0.98       9.0 +/-    0.98  0.030 / 0.040
G11     70.0           40.0                7.6 +/-    0.57      11.1 +/-    0.57  0.080 / 0.120
G13     296.6          35.5                5.9 +/-    0.92       9.2 +/-    0.92  0.090 / 0.110
G17     212.7          52.4                7.7 +/-    0.59       9.5 +/-    0.59  0.030 / 0.070
G18     65.4           24.0                7.6 +/-    1.20      15.1 +/-    1.20  0.040 / 0.060
G19     214.0          22.1                6.2 +/-    1.01      13.0 +/-    1.01  0.090 / 0.140
G28     344.6          61.8                6.2 +/-    0.77       7.0 +/-    0.77  0.090 / 0.170
G30     92.1           78.6                6.2 +/-    0.30       6.3 +/-    0.30  0.040 / 0.050