PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/27-01:12:40
G01     64.6           31.9                5.6 +/-    1.32       9.5 +/-    1.32  0.040 / 0.040
G07     140.4          26.4                8.4 +/-    2.18      15.8 +/-    2.18  0.050 / 0.050
G11     52.0           29.4                5.6 +/-    0.79       9.9 +/-    0.79  0.050 / 0.060
G13     268.5          36.3                7.8 +/-    1.74      12.1 +/-    1.74  0.040 / 0.070
G15     297.0          16.5                6.2 +/-    1.49      14.9 +/-    1.49  0.030 / 0.030
G17     243.7          71.5                6.8 +/-    0.84       7.1 +/-    0.84  0.020 / 0.030
G19     228.8          47.2                6.9 +/-    2.02       9.1 +/-    2.02  0.060 / 0.120
G28     30.0           57.6                6.0 +/-    1.13       7.0 +/-    1.13  0.070 / 0.120
G30     139.9          52.4                7.9 +/-    0.75       9.7 +/-    0.75  0.130 / 0.100