PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-16:42:50
G01     274.4          41.8                8.6 +/-    2.93      12.2 +/-    2.93  0.040 / 0.070
G03     315.5          28.5                5.7 +/-    2.44      10.3 +/-    2.44  0.040 / 0.070
G10     127.9          18.3                9.0 +/-    1.64      20.7 +/-    1.64  0.080 / 0.160
G11     251.5          20.9                2.1 +/-    2.81       4.6 +/-    2.81  0.100 / 0.140
G14     41.0           51.1                6.7 +/-    0.84       8.3 +/-    0.84  0.100 / 0.070
G18     231.7          40.2                8.8 +/-    1.62      12.7 +/-    1.62  0.050 / 0.060
G22     314.7          50.7                7.3 +/-    0.93       9.2 +/-    0.93  0.110 / 0.340
G25     52.2           15.5                7.8 +/-    1.59      19.1 +/-    1.59  0.110 / 0.340
G31     75.5           80.2                8.1 +/-    0.36       8.2 +/-    0.36  0.070 / 0.080
G32     59.8           36.6                7.5 +/-    1.34      11.6 +/-    1.34  0.060 / 0.080