PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/12-23:43:00
G02     10.0           71.0                9.8 +/-    0.42      10.3 +/-    0.42  0.060 / 0.080
G05     158.3          43.5               14.1 +/-    0.78      19.5 +/-    0.78  0.050 / 0.090
G06     43.6           33.7                8.3 +/-    1.44      13.5 +/-    1.44  0.050 / 0.070
G12     291.3          76.6               10.6 +/-    0.97      10.9 +/-    0.97  0.040 / 0.080
G19     83.3           21.0               10.5 +/-    2.08      22.6 +/-    2.08  0.090 / 0.170
G24     220.9          16.0               11.6 +/-    3.53      28.1 +/-    3.53  0.080 / 0.160
G25     314.4          37.5               11.5 +/-    1.97      17.5 +/-    1.97  0.020 / 0.030
G29     294.0          17.2                9.4 +/-    1.73      22.1 +/-    1.73  0.030 / 0.030