PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/31-02:58:00
G01     260.9          40.5               11.4 +/-    1.41      16.4 +/-    1.41  0.070 / 0.080
G03     316.6          34.0                8.4 +/-    1.40      13.6 +/-    1.40  0.070 / 0.090
G10     132.5          10.7                9.6 +/-    2.46      26.2 +/-    2.46  0.040 / 0.070
G11     246.7          16.5               11.4 +/-    2.85      27.3 +/-    2.85  0.050 / 0.080
G14     47.4           48.3                9.6 +/-    0.74      12.3 +/-    0.74  0.040 / 0.050
G18     227.7          34.8               11.7 +/-    1.84      18.6 +/-    1.84  0.050 / 0.050
G22     312.6          55.6                8.7 +/-    1.08      10.3 +/-    1.08  0.200 / 0.380
G25     48.6           15.1                5.6 +/-    2.29      14.0 +/-    2.29  0.130 / 0.340
G31     47.4           66.7                8.7 +/-    0.61       9.4 +/-    0.61  0.190 / 0.350
G32     68.6           29.0                7.0 +/-    0.75      12.5 +/-    0.75  0.160 / 0.300