PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-22:27:40
G02     27.2           59.8               12.7 +/-    0.60      14.5 +/-    0.60  0.050 / 0.080
G05     146.0          57.3               16.0 +/-    0.84      18.6 +/-    0.84  0.040 / 0.080
G06     50.0           21.1                9.5 +/-    0.70      20.4 +/-    0.70  0.040 / 0.050
G12     218.1          75.3               13.3 +/-    1.06      13.7 +/-    1.06  0.040 / 0.070
G19     95.3           12.2               13.7 +/-    2.37      36.3 +/-    2.37  0.020 / 0.030
G25     304.5          49.0               13.0 +/-    0.66      16.6 +/-    0.66  0.030 / 0.030
G29     303.9          25.6               13.8 +/-    1.36      26.6 +/-    1.36  0.090 / 0.170