PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/14-06:58:10
G01     78.6           33.2                4.3 +/-    0.55       7.0 +/-    0.55  0.030 / 0.040
G07     133.2          35.3                5.4 +/-    0.77       8.5 +/-    0.77  0.030 / 0.030
G11     57.4           33.8                2.7 +/-    0.76       4.4 +/-    0.76  0.030 / 0.080
G13     282.4          38.2                4.0 +/-    1.32       5.9 +/-    1.32  0.040 / 0.070
G15     310.2          12.1                1.8 +/-    1.85       4.7 +/-    1.85  0.090 / 0.090
G17     223.3          65.8                6.7 +/-    0.92       7.3 +/-    0.92  0.110 / 0.100
G18     52.3           19.5                3.0 +/-    0.75       6.7 +/-    0.75  0.080 / 0.210
G19     219.5          33.0                4.7 +/-    2.02       7.7 +/-    2.02  0.080 / 0.220
G28     4.1            61.0                4.2 +/-    0.44       4.7 +/-    0.44  0.060 / 0.090
G30     126.5          69.9                5.5 +/-    0.50       5.8 +/-    0.50  0.090 / 0.110