PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/07-22:57:30
G02     62.5           30.7               10.6 +/-    0.73      18.2 +/-    0.73  0.030 / 0.040
G05     52.9           57.0               10.7 +/-    0.49      12.5 +/-    0.49  0.040 / 0.050
G12     182.1          26.2               13.3 +/-    1.63      25.3 +/-    1.63  0.060 / 0.130
G13     124.6          18.1               13.0 +/-    1.36      30.0 +/-    1.36  0.070 / 0.140
G15     163.0          14.7               13.3 +/-    2.19      33.4 +/-    2.19  0.060 / 0.130
G21     274.4          19.1               11.3 +/-    0.94      25.4 +/-    0.94  0.080 / 0.130
G25     230.7          48.7               13.6 +/-    0.82      17.4 +/-    0.82  0.080 / 0.250
G29     330.1          57.5               11.8 +/-    0.79      13.7 +/-    0.79  0.090 / 0.270