PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-01:28:10
G02     57.6           33.7                9.0 +/-    0.66      14.6 +/-    0.66  0.050 / 0.060
G05     60.8           62.1               10.6 +/-    0.47      11.8 +/-    0.47  0.050 / 0.070
G12     186.8          37.7               12.9 +/-    1.23      19.4 +/-    1.23  0.170 / 0.530
G13     129.1          13.2               13.7 +/-    2.79      35.7 +/-    2.79  0.160 / 0.540
G15     164.2          11.0                5.0 +/-   37.41      13.6 +/-   37.41  0.130 / 0.090
G21     269.8          16.3               11.5 +/-    1.81      27.8 +/-    1.81  0.080 / 0.080
G25     240.3          53.8               12.2 +/-    1.55      14.8 +/-    1.55  0.050 / 0.090
G29     329.7          55.0               11.2 +/-    0.87      13.4 +/-    0.87  0.050 / 0.100