PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/08-10:27:50
G01     275.3          42.2                5.7 +/-    3.19       8.0 +/-    3.19  0.080 / 0.170
G03     315.7          30.2                3.6 +/-    1.71       6.2 +/-    1.71  0.100 / 0.160
G10     127.2          18.9                5.4 +/-    1.51      12.2 +/-    1.51  0.060 / 0.070
G11     253.3          21.2                4.1 +/-    2.62       8.7 +/-    2.62  0.040 / 0.050
G14     39.2           52.1                4.6 +/-    1.20       5.7 +/-    1.20  0.060 / 0.060
G18     235.8          41.4                4.3 +/-    1.81       6.1 +/-    1.81  0.060 / 0.050
G22     315.0          51.8                4.7 +/-    1.43       5.8 +/-    1.43  0.120 / 0.340
G25     56.0           17.3                2.9 +/-    1.18       6.8 +/-    1.18  0.170 / 0.380
G31     68.6           77.1                4.5 +/-    0.41       4.6 +/-    0.41  0.050 / 0.050
G32     57.8           38.5                4.7 +/-    1.45       7.0 +/-    1.45  0.040 / 0.050