PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/24-10:42:40
G02     202.8          27.7                7.3 +/-    1.08      13.5 +/-    1.08  0.170 / 0.300
G06     164.3          64.3                7.7 +/-    0.96       8.4 +/-    0.96  0.130 / 0.230
G12     305.2          13.1                7.4 +/-    4.45      19.2 +/-    4.45  0.090 / 0.100
G17     33.8           50.8                8.4 +/-    2.23      10.5 +/-    2.23  0.080 / 0.100
G19     339.4          68.5                5.5 +/-    0.80       5.9 +/-    0.80  0.040 / 0.030
G24     299.8          38.3                7.1 +/-    2.43      10.6 +/-    2.43  0.030 / 0.040
G28     97.0           35.4                6.7 +/-    1.11      10.5 +/-    1.11  0.040 / 0.040