PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-00:12:40
G02     58.1           33.5                7.5 +/-    0.94      12.2 +/-    0.94  0.050 / 0.060
G05     59.7           61.6                8.8 +/-    0.43       9.8 +/-    0.43  0.040 / 0.060
G12     186.4          36.7               10.5 +/-    2.02      16.1 +/-    2.02  0.250 / 0.540
G13     128.4          13.7               10.8 +/-    2.62      27.7 +/-    2.62  0.300 / 0.750
G15     163.9          11.5               12.8 +/-    4.02      34.5 +/-    4.02  0.050 / 0.080
G21     270.2          16.3               10.7 +/-    2.26      25.7 +/-    2.26  0.050 / 0.090
G25     239.7          53.3                8.8 +/-    0.91      10.7 +/-    0.91  0.060 / 0.090
G29     329.6          55.0                9.6 +/-    0.97      11.5 +/-    0.97  0.070 / 0.070