PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-19:12:50
G01     287.5          42.7                9.5 +/-    1.39      13.2 +/-    1.39  0.070 / 0.070
G03     311.9          16.2                7.9 +/-    2.24      19.0 +/-    2.24  0.050 / 0.090
G10     120.0          26.1               12.2 +/-    0.72      23.2 +/-    0.72  0.050 / 0.080
G11     269.1          24.0               10.6 +/-    2.25      21.1 +/-    2.25  0.050 / 0.090
G14     17.2           61.2                8.9 +/-    0.88      10.0 +/-    0.88  0.050 / 0.050
G22     314.1          37.8                8.7 +/-    1.59      13.1 +/-    1.59  0.050 / 0.050
G25     66.5           18.2                8.8 +/-    0.66      20.1 +/-    0.66  0.060 / 0.130
G26     156.9          13.7               10.1 +/-    1.12      25.9 +/-    1.12  0.050 / 0.120
G31     129.4          78.6               11.4 +/-    0.69      11.6 +/-    0.69  0.160 / 0.310
G32     52.4           40.3                8.7 +/-    0.76      12.6 +/-    0.76  0.150 / 0.310