PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/16-22:12:40
G02     59.4           33.3               10.0 +/-    0.63      16.4 +/-    0.63  0.030 / 0.040
G05     57.1           60.4               11.4 +/-    0.92      12.9 +/-    0.92  0.030 / 0.050
G12     182.4          29.6               16.6 +/-    1.61      29.3 +/-    1.61  0.050 / 0.070
G13     127.5          15.6               15.6 +/-    2.28      38.2 +/-    2.28  0.040 / 0.070
G15     165.2          11.7               19.6 +/-    4.15      52.7 +/-    4.15  0.140 / 0.400
G21     271.5          16.9               16.8 +/-    1.69      40.0 +/-    1.69  0.140 / 0.330
G25     235.3          51.4               12.9 +/-    1.42      16.0 +/-    1.42  0.090 / 0.260
G29     327.8          54.0               11.5 +/-    0.87      13.8 +/-    0.87  0.070 / 0.240