PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/04-03:13:10
G02     228.7          71.4                5.4 +/-    0.47       5.7 +/-    0.47  0.060 / 0.090
G05     173.7          11.2               -4.7 +/-   12.63     -12.6 +/-   12.63  0.060 / 0.090
G06     43.6           70.9               28.2 +/-    0.74      29.7 +/-    0.74  0.050 / 0.040
G12     320.2          43.2                3.8 +/-    0.51       5.3 +/-    0.51  0.060 / 0.040
G17     66.6           24.2                1.7 +/-    1.49       3.3 +/-    1.49  0.040 / 0.050
G19     49.9           42.9                4.4 +/-    1.46       6.1 +/-    1.46  0.060 / 0.050
G24     249.2          37.9                4.7 +/-    1.99       7.1 +/-    1.99  0.040 / 0.020