PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-15:13:00
G02     229.2          66.4               12.2 +/-    0.82      13.2 +/-    0.82  0.120 / 0.230
G05     175.5          10.3               -6.9 +/-   15.16     -19.0 +/-   15.16  0.040 / 0.040
G06     42.6           62.3               11.0 +/-    0.70      12.3 +/-    0.70  0.040 / 0.040
G12     322.2          50.5                9.8 +/-    0.41      12.3 +/-    0.41  0.060 / 0.100
G17     67.4           24.2               10.8 +/-    1.52      21.5 +/-    1.52  0.080 / 0.080
G19     47.5           45.6               10.3 +/-    0.65      13.8 +/-    0.65  0.030 / 0.030
G24     247.9          37.4               12.6 +/-    1.14      19.1 +/-    1.14  0.030 / 0.020