PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-01:42:30
G08     304.0          21.4                8.7 +/-    2.10      18.5 +/-    2.10  0.070 / 0.080
G10     343.0          61.5                9.4 +/-    0.43      10.5 +/-    0.43  0.060 / 0.080
G14     221.3          34.3               14.3 +/-    1.61      23.0 +/-    1.61  0.040 / 0.050
G20     343.8          63.6               12.2 +/-    1.24      13.4 +/-    1.24  0.040 / 0.050
G21     139.2          53.0               12.1 +/-    0.30      14.8 +/-    0.30  0.050 / 0.090
G24     66.3           28.5                8.3 +/-    1.60      15.1 +/-    1.60  0.050 / 0.100
G27     268.1          36.3               12.1 +/-    1.55      18.7 +/-    1.55  0.090 / 0.170
G32     228.9          59.5               11.7 +/-    1.99      13.4 +/-    1.99  0.130 / 0.180