PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/16-16:27:50
G01     258.3          38.8               10.0 +/-    2.00      14.9 +/-    2.00  0.090 / 0.110
G03     316.8          39.7                7.4 +/-    0.69      10.8 +/-    0.69  0.070 / 0.090
G11     241.2          15.0                9.1 +/-    3.32      22.8 +/-    3.32  0.070 / 0.070
G14     54.1           43.9                7.8 +/-    1.57      10.7 +/-    1.57  0.050 / 0.070
G18     221.6          31.2                8.7 +/-    2.22      14.9 +/-    2.22  0.060 / 0.080
G22     310.1          62.3                6.4 +/-    0.88       7.2 +/-    0.88  0.080 / 0.080
G25     42.7           11.3                8.3 +/-    1.59      22.6 +/-    1.59  0.110 / 0.150
G26     148.0          30.1               -9.5 +/-   34.94     -16.6 +/-   34.94  0.130 / 0.170
G31     44.5           69.0                8.0 +/-    1.12       8.5 +/-    1.12  0.150 / 0.340
G32     70.1           29.5                9.1 +/-    1.54      16.0 +/-    1.54  0.150 / 0.310