PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-23:43:10
G01     111.3          23.2                9.8 +/-    2.14      20.0 +/-    2.14  0.060 / 0.050
G07     99.1           61.7                9.0 +/-    0.66      10.1 +/-    0.66  0.030 / 0.040
G08     43.0           26.5                6.3 +/-    2.28      11.9 +/-    2.28  0.090 / 0.130
G09     176.4          18.5               10.3 +/-    1.30      23.6 +/-    1.30  0.120 / 0.140
G11     99.3           42.8                8.4 +/-    1.05      11.7 +/-    1.05  0.060 / 0.090
G13     313.2          25.1                5.2 +/-    1.02      10.2 +/-    1.02  0.140 / 0.130
G17     204.9          31.6                8.7 +/-    1.49      14.7 +/-    1.49  0.100 / 0.100
G28     310.5          60.3                7.7 +/-    1.09       8.7 +/-    1.09  0.090 / 0.100
G30     24.3           76.6                8.4 +/-    0.78       8.6 +/-    0.78  0.030 / 0.030