PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-09:12:40
G01     43.4           19.3                3.6 +/-    0.88       8.0 +/-    0.88  0.060 / 0.100
G06     174.7          33.0                7.7 +/-    1.10      12.8 +/-    1.10  0.060 / 0.080
G11     43.8           11.3                3.0 +/-    1.65       8.1 +/-    1.65  0.150 / 0.390
G13     241.6          26.7                7.4 +/-    1.94      13.9 +/-    1.94  0.170 / 0.580
G15     275.7          14.1                3.9 +/-    1.32       9.8 +/-    1.32  0.090 / 0.180
G17     342.2          75.7                7.1 +/-    0.77       7.4 +/-    0.77  0.090 / 0.220
G19     262.6          67.6                6.1 +/-    0.63       6.5 +/-    0.63  0.170 / 0.290
G24     318.3          12.6                1.1 +/-    1.81       2.8 +/-    1.81  0.130 / 0.280
G28     53.3           55.0                5.3 +/-    0.36       6.3 +/-    0.36  0.040 / 0.050
G30     153.6          36.4                7.4 +/-    0.75      11.5 +/-    0.75  0.030 / 0.060