PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/01-05:43:10
G01     81.7           33.0                4.8 +/-    0.85       8.0 +/-    0.85  0.070 / 0.100
G07     131.5          37.2                7.5 +/-    0.49      11.4 +/-    0.49  0.080 / 0.100
G11     59.5           35.3                4.2 +/-    0.45       6.6 +/-    0.45  0.040 / 0.090
G13     285.6          38.0                4.5 +/-    1.19       6.7 +/-    1.19  0.040 / 0.090
G15     311.7          11.6                2.5 +/-    1.75       6.7 +/-    1.75  0.030 / 0.030
G17     220.2          63.5                7.7 +/-    0.44       8.5 +/-    0.44  0.050 / 0.040
G19     218.0          31.2                6.6 +/-    1.59      11.3 +/-    1.59  0.030 / 0.040
G28     358.8          61.4                4.9 +/-    0.97       5.5 +/-    0.97  0.040 / 0.040
G30     121.8          72.1                8.0 +/-    0.82       8.4 +/-    0.82  0.040 / 0.060