PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-17:27:50
G10     246.5          22.4               10.3 +/-    2.95      21.4 +/-    2.95  0.040 / 0.060
G13     59.5           33.6                8.6 +/-    0.87      14.1 +/-    0.87  0.040 / 0.050
G15     94.8           57.2               10.7 +/-    0.67      12.5 +/-    0.67  0.120 / 0.360
G16     306.5          12.6                7.4 +/-    2.27      19.5 +/-    2.27  0.150 / 0.410
G18     263.2          54.1               11.0 +/-    1.29      13.3 +/-    1.29  0.040 / 0.060
G20     38.0           54.3                8.4 +/-    0.45      10.1 +/-    0.45  0.040 / 0.060
G21     332.6          59.6                9.5 +/-    1.04      10.8 +/-    1.04  0.050 / 0.120
G26     276.6          16.8                8.1 +/-    1.59      19.2 +/-    1.59  0.040 / 0.100
G29     160.3          49.3               11.5 +/-    0.76      14.6 +/-    0.76  0.130 / 0.370