PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/12-00:28:00
G02     352.3          77.4               10.2 +/-    0.68      10.4 +/-    0.68  0.020 / 0.040
G05     162.4          35.8               18.3 +/-    1.03      28.7 +/-    1.03  0.020 / 0.040
G06     42.1           38.4                8.3 +/-    1.17      12.4 +/-    1.17  0.050 / 0.080
G12     308.7          72.9               10.9 +/-    0.76      11.4 +/-    0.76  0.050 / 0.070
G17     86.0           13.4               11.4 +/-    0.86      29.5 +/-    0.86  0.110 / 0.120
G19     75.6           27.6               11.2 +/-    0.86      20.6 +/-    0.86  0.090 / 0.150
G24     227.2          21.7               18.5 +/-    1.99      39.2 +/-    1.99  0.040 / 0.040
G25     317.1          29.4                9.4 +/-    0.87      16.6 +/-    0.87  0.040 / 0.030