PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/29-02:58:10
G01     71.4           33.0                5.0 +/-    0.57       8.2 +/-    0.57  0.040 / 0.080
G07     137.1          31.5                8.8 +/-    1.18      14.9 +/-    1.18  0.080 / 0.080
G11     55.5           32.5                3.7 +/-    0.61       6.2 +/-    0.61  0.050 / 0.100
G13     276.2          37.2                5.8 +/-    0.92       8.9 +/-    0.92  0.050 / 0.110
G15     302.3          15.7                1.1 +/-    2.23       2.6 +/-    2.23  0.080 / 0.120
G17     232.6          67.9                5.9 +/-    0.83       6.3 +/-    0.83  0.080 / 0.110
G19     224.0          42.3                6.3 +/-    0.88       8.8 +/-    0.88  0.100 / 0.390
G28     20.0           59.1                4.3 +/-    0.38       4.9 +/-    0.38  0.100 / 0.360
G30     134.7          58.3                7.6 +/-    1.00       8.7 +/-    1.00  0.030 / 0.040