PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/19-00:12:30
G02     7.1            72.7               10.3 +/-    0.64      10.7 +/-    0.64  0.060 / 0.120
G05     159.2          41.9               15.8 +/-    1.17      22.3 +/-    1.17  0.070 / 0.130
G06     44.1           32.8                8.1 +/-    0.67      13.5 +/-    0.67  0.040 / 0.040
G12     288.8          78.3               10.9 +/-    0.95      11.1 +/-    0.95  0.040 / 0.050
G19     81.1           24.1               11.7 +/-    0.58      23.4 +/-    0.58  0.140 / 0.400
G24     222.6          17.4               14.1 +/-    4.73      33.1 +/-    4.73  0.180 / 0.330
G25     315.5          35.1               11.1 +/-    1.11      17.7 +/-    1.11  0.020 / 0.030
G29     291.4          12.5               13.1 +/-    1.90      34.4 +/-    1.90  0.020 / 0.030