PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/18-18:12:50
G01     111.2          23.3               12.1 +/-    1.92      24.7 +/-    1.92  0.120 / 0.150
G07     99.4           61.7               11.9 +/-    1.01      13.3 +/-    1.01  0.130 / 0.250
G08     42.9           26.0                9.4 +/-    3.05      17.9 +/-    3.05  0.030 / 0.030
G09     175.7          17.5               12.7 +/-    1.93      29.7 +/-    1.93  0.030 / 0.030
G11     96.1           42.6               11.5 +/-    0.83      16.0 +/-    0.83  0.100 / 0.150
G13     312.8          25.8               10.4 +/-    2.34      19.9 +/-    2.34  0.080 / 0.170
G17     205.2          30.7               12.4 +/-    1.12      21.3 +/-    1.12  0.040 / 0.060
G18     85.3           23.6                9.5 +/-    1.74      19.2 +/-    1.74  0.040 / 0.050
G28     310.0          60.2               10.2 +/-    1.20      11.6 +/-    1.20  0.030 / 0.060
G30     10.8           75.9               12.6 +/-    0.80      13.0 +/-    0.80  0.030 / 0.040