PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-07:58:10
G01     77.3           33.2                5.1 +/-    0.85       8.4 +/-    0.85  0.030 / 0.050
G07     133.9          35.0                7.5 +/-    1.04      11.8 +/-    1.04  0.040 / 0.050
G11     58.0           33.6                4.3 +/-    0.93       7.0 +/-    0.93  0.050 / 0.070
G13     283.4          37.0                5.2 +/-    0.66       7.9 +/-    0.66  0.030 / 0.060
G15     307.3          14.1                2.2 +/-    2.04       5.7 +/-    2.04  0.070 / 0.180
G17     225.4          65.8                7.3 +/-    0.39       7.9 +/-    0.39  0.100 / 0.220
G19     220.4          38.5                6.0 +/-    1.06       9.0 +/-    1.06  0.030 / 0.050
G28     10.9           60.2                3.9 +/-    0.65       4.4 +/-    0.65  0.040 / 0.050
G30     127.8          66.6                5.7 +/-    0.60       6.2 +/-    0.60  0.060 / 0.100