PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-19:27:20
G02     230.5          70.3               11.3 +/-    0.56      12.0 +/-    0.56  0.270 / 0.380
G05     173.4          12.3               11.6 +/-    4.57      30.7 +/-    4.57  0.200 / 0.350
G06     42.5           61.3               10.3 +/-    0.84      11.6 +/-    0.84  0.040 / 0.030
G12     322.1          50.3               10.1 +/-    0.34      12.7 +/-    0.34  0.040 / 0.030
G17     67.0           25.4                9.5 +/-    2.93      18.4 +/-    2.93  0.110 / 0.090
G19     49.9           43.8               10.5 +/-    1.62      14.4 +/-    1.62  0.070 / 0.080
G24     249.0          37.2               12.3 +/-    1.28      18.8 +/-    1.28  0.040 / 0.040