PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-15:58:00
G01     232.6          23.5               10.6 +/-    1.11      21.4 +/-    1.11  0.070 / 0.150
G03     301.9          64.4                8.2 +/-    0.84       9.0 +/-    0.84  0.080 / 0.170
G14     78.8           28.8                7.3 +/-    0.80      13.0 +/-    0.80  0.030 / 0.050
G16     158.1          32.8               10.2 +/-    0.72      16.8 +/-    0.72  0.040 / 0.050
G18     205.9          11.9                9.5 +/-    3.05      25.5 +/-    3.05  0.030 / 0.040
G22     233.7          75.6                8.9 +/-    0.56       9.2 +/-    0.56  0.030 / 0.040
G23     300.1          30.3                8.8 +/-    0.59      15.3 +/-    0.59  0.090 / 0.130
G26     120.9          50.9                9.5 +/-    0.60      11.8 +/-    0.60  0.070 / 0.150
G31     41.8           42.6                7.4 +/-    0.27      10.3 +/-    0.27  0.130 / 0.280
G32     90.8           14.8                7.9 +/-    1.73      19.7 +/-    1.73  0.150 / 0.280