PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-02:27:40
G10     297.5          51.8               13.4 +/-    1.25      16.5 +/-    1.25  0.070 / 0.100
G15     46.4           30.1                7.0 +/-    1.00      12.2 +/-    1.00  0.060 / 0.080
G20     321.5          61.5                9.3 +/-    1.39      10.4 +/-    1.39  0.040 / 0.050
G21     94.5           74.9               12.6 +/-    0.87      13.0 +/-    0.87  0.040 / 0.040
G24     96.3           26.4               13.7 +/-    0.75      26.0 +/-    0.75  0.050 / 0.050
G27     300.4          34.2               12.1 +/-    1.50      19.6 +/-    1.50  0.050 / 0.050
G32     210.3          33.9               16.4 +/-    2.48      26.7 +/-    2.48  0.100 / 0.180