PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-01:13:10
G02     54.9           36.4               11.4 +/-    0.43      17.7 +/-    0.43  0.070 / 0.080
G05     67.4           64.7               13.3 +/-    0.44      14.6 +/-    0.44  0.050 / 0.080
G12     185.3          38.5               18.5 +/-    1.32      27.6 +/-    1.32  0.220 / 0.550
G13     132.9          11.1               11.5 +/-   36.98      31.3 +/-   36.98  0.200 / 0.390
G21     266.3          13.0               18.1 +/-    2.22      47.2 +/-    2.22  0.030 / 0.040
G25     248.0          55.5               15.5 +/-    0.63      18.4 +/-    0.63  0.040 / 0.040
G29     323.7          47.9               13.5 +/-    1.33      17.5 +/-    1.33  0.060 / 0.070