PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/02-01:57:50
G02     202.0          32.2                7.6 +/-    1.70      12.8 +/-    1.70  0.140 / 0.310
G06     173.4          61.1                4.1 +/-    0.75       4.6 +/-    0.75  0.140 / 0.320
G12     304.7          10.8               -4.7 +/-   14.96     -12.8 +/-   14.96  0.050 / 0.110
G17     34.9           49.8                4.5 +/-    0.51       5.7 +/-    0.51  0.050 / 0.110
G19     352.2          67.3                4.3 +/-    0.65       4.6 +/-    0.65  0.060 / 0.090
G24     299.1          38.2                5.9 +/-    0.83       8.9 +/-    0.83  0.080 / 0.080
G28     97.3           36.2                4.9 +/-    0.54       7.6 +/-    0.54  0.040 / 0.040