PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/04-17:12:50
G01     260.8          39.5                7.8 +/-    0.98      11.5 +/-    0.98  0.090 / 0.390
G03     316.7          37.4                5.6 +/-    1.14       8.6 +/-    1.14  0.110 / 0.380
G10     133.4          10.3               12.0 +/-    4.00      33.4 +/-    4.00  0.240 / 0.310
G11     242.7          16.0                7.7 +/-    1.67      18.7 +/-    1.67  0.270 / 0.380
G14     52.1           45.1                6.1 +/-    0.93       8.3 +/-    0.93  0.070 / 0.090
G18     222.7          32.6                8.8 +/-    1.53      14.6 +/-    1.53  0.060 / 0.090
G22     311.5          59.9                7.9 +/-    1.14       9.0 +/-    1.14  0.050 / 0.090
G25     43.7           11.9                6.8 +/-    1.86      18.1 +/-    1.86  0.040 / 0.100
G31     46.6           71.6                8.3 +/-    0.77       8.7 +/-    0.77  0.130 / 0.210
G32     68.7           30.3                7.3 +/-    0.83      12.8 +/-    0.83  0.120 / 0.230