PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-20:42:40
G02     203.3          34.7               20.2 +/-    1.37      32.2 +/-    1.37  0.130 / 0.370
G06     156.6          69.9               17.0 +/-    0.72      18.0 +/-    0.72  0.160 / 0.280
G12     308.0          16.4               12.6 +/-    1.63      30.3 +/-    1.63  0.070 / 0.100
G17     33.8           51.1               12.9 +/-    0.42      16.0 +/-    0.42  0.090 / 0.090
G19     356.6          66.0               13.7 +/-    0.80      14.8 +/-    0.80  0.030 / 0.050
G24     297.5          38.4               15.2 +/-    1.13      22.6 +/-    1.13  0.030 / 0.060
G28     102.6          31.1               16.0 +/-    1.12      27.4 +/-    1.12  0.080 / 0.140