PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-02:42:40
G08     319.8          11.8                5.8 +/-    2.69      15.5 +/-    2.69  0.060 / 0.090
G10     307.9          55.0               11.0 +/-    1.17      13.1 +/-    1.17  0.060 / 0.070
G14     212.6          15.7               16.9 +/-    1.20      41.3 +/-    1.20  0.110 / 0.320
G15     45.7           24.1                6.4 +/-    2.02      12.7 +/-    2.02  0.160 / 0.280
G20     335.8          63.5               11.8 +/-    0.56      13.0 +/-    0.56  0.040 / 0.050
G21     113.5          70.3               13.1 +/-    1.11      13.9 +/-    1.11  0.040 / 0.040
G24     88.7           28.4                8.7 +/-    0.79      15.7 +/-    0.79  0.030 / 0.050
G27     292.6          36.6               12.9 +/-    1.54      19.9 +/-    1.54  0.030 / 0.050
G32     213.5          40.6               14.8 +/-    1.03      21.3 +/-    1.03  0.080 / 0.130