PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-04:57:40
G02     9.8            72.3                1.9 +/-    0.25       2.0 +/-    0.25  0.040 / 0.050
G05     159.5          41.3                5.0 +/-    0.57       7.1 +/-    0.57  0.040 / 0.040
G06     43.3           35.5                2.7 +/-    1.36       4.2 +/-    1.36  0.070 / 0.050
G12     296.0          76.0                3.7 +/-    0.93       3.8 +/-    0.93  0.070 / 0.080
G17     90.8           9.5                 5.7 +/-    3.37      16.2 +/-    3.37  0.020 / 0.030
G19     81.3           23.2                4.3 +/-    2.19       8.8 +/-    2.19  0.020 / 0.030
G24     223.9          18.1                6.0 +/-    1.64      13.7 +/-    1.64  0.160 / 0.250
G25     315.8          34.3                2.2 +/-    0.92       3.6 +/-    0.92  0.170 / 0.260
G29     291.5          13.4                4.0 +/-    2.59      10.2 +/-    2.59  0.030 / 0.030