PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-22:43:00
G01     319.6          17.8                0.1 +/-   30.29       0.3 +/-   30.29  0.270 / 0.200
G08     261.7          14.7               11.0 +/-    1.27      27.5 +/-    1.27  0.170 / 0.240
G10     77.2           52.7                9.2 +/-    0.82      11.2 +/-    0.82  0.040 / 0.050
G11     306.8          20.2                7.5 +/-    1.39      16.4 +/-    1.39  0.040 / 0.050
G14     281.6          68.2                8.0 +/-    0.56       8.6 +/-    0.56  0.140 / 0.310
G18     306.9          39.1                8.6 +/-    1.80      12.7 +/-    1.80  0.130 / 0.360
G20     104.0          29.4               11.0 +/-    1.30      19.4 +/-    1.30  0.060 / 0.100
G27     225.7          10.8               13.9 +/-    2.90      38.1 +/-    2.90  0.080 / 0.080
G31     175.3          40.1               10.0 +/-    0.97      14.5 +/-    0.97  0.220 / 0.300
G32     4.2            69.0                8.3 +/-    0.69       8.8 +/-    0.69  0.310 / 0.350