PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/12-01:28:00
G01     90.3           31.8                7.0 +/-    0.64      11.8 +/-    0.64  0.040 / 0.050
G07     125.4          45.8                7.2 +/-    1.12       9.6 +/-    1.12  0.040 / 0.050
G11     71.6           41.2                5.6 +/-    0.44       8.0 +/-    0.44  0.030 / 0.040
G13     295.5          35.4                7.8 +/-    1.26      12.4 +/-    1.26  0.040 / 0.050
G15     314.9          10.5               -4.4 +/-   18.25     -12.0 +/-   18.25  0.030 / 0.060
G17     214.8          52.2                9.9 +/-    0.60      12.2 +/-    0.60  0.040 / 0.060
G19     214.6          27.4                6.7 +/-    2.66      12.4 +/-    2.66  0.040 / 0.080
G28     350.4          61.7                4.1 +/-    0.67       4.5 +/-    0.67  0.050 / 0.080
G30     110.2          71.6                6.8 +/-    0.57       7.1 +/-    0.57  0.090 / 0.110