PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-00:12:50
G01     103.7          27.3               10.3 +/-    0.94      19.1 +/-    0.94  0.100 / 0.130
G07     111.6          56.0                9.1 +/-    0.53      10.7 +/-    0.53  0.090 / 0.130
G08     42.0           19.8                5.7 +/-    1.72      12.6 +/-    1.72  0.110 / 0.060
G09     174.9          11.6               12.0 +/-    1.69      32.3 +/-    1.69  0.080 / 0.050
G11     88.3           43.7                9.1 +/-    0.63      12.5 +/-    0.63  0.040 / 0.080
G13     307.5          30.0                7.4 +/-    1.48      13.1 +/-    1.48  0.030 / 0.070
G17     207.9          39.5               10.3 +/-    1.08      15.0 +/-    1.08  0.080 / 0.130
G19     210.0          16.2                9.7 +/-    3.75      23.4 +/-    3.75  0.080 / 0.170
G28     326.0          61.6                7.3 +/-    1.04       8.2 +/-    1.04  0.020 / 0.050
G30     62.7           78.0                8.7 +/-    0.64       8.9 +/-    0.64  0.020 / 0.050