PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/27-00:43:10
G01     320.7          11.7               -7.9 +/-   39.40     -21.2 +/-   39.40  0.130 / 0.420
G08     262.8          16.8               13.3 +/-    2.12      31.6 +/-    2.12  0.190 / 0.430
G10     65.8           57.8               10.2 +/-    0.39      11.8 +/-    0.39  0.160 / 0.330
G11     308.4          20.3               11.0 +/-    2.54      24.1 +/-    2.54  0.160 / 0.390
G14     277.8          69.1               11.3 +/-    0.75      12.1 +/-    0.75  0.030 / 0.030
G18     94.8           34.3               11.3 +/-    0.65      18.2 +/-    0.65  0.030 / 0.030
G21     154.3          10.8               13.0 +/-    2.37      35.6 +/-    2.37  0.040 / 0.050
G27     228.1          13.3               14.4 +/-    4.23      37.4 +/-    4.23  0.050 / 0.050
G31     179.7          31.5               14.0 +/-    2.34      23.8 +/-    2.34  0.090 / 0.120
G32     337.3          73.2               10.8 +/-    0.50      11.2 +/-    0.50  0.060 / 0.110