PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-03:13:10
G02     200.8          30.1                7.9 +/-    1.83      13.8 +/-    1.83  0.040 / 0.080
G06     169.8          60.8                7.5 +/-    1.00       8.4 +/-    1.00  0.040 / 0.070
G17     27.8           55.5                3.5 +/-    0.45       4.2 +/-    0.45  0.060 / 0.110
G19     346.9          68.5                4.3 +/-    1.04       4.6 +/-    1.04  0.050 / 0.110
G24     304.8          34.0                2.1 +/-    2.20       3.3 +/-    2.20  0.020 / 0.040
G28     96.7           34.7                4.8 +/-    0.84       7.7 +/-    0.84  0.050 / 0.040