PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-00:27:30
G01     42.7           18.7                6.3 +/-    1.25      14.4 +/-    1.25  0.040 / 0.060
G06     179.1          31.0               10.4 +/-    2.49      17.9 +/-    2.49  0.040 / 0.060
G13     239.9          24.7                7.6 +/-    1.94      14.9 +/-    1.94  0.080 / 0.250
G15     273.6          13.4                6.8 +/-    1.69      17.6 +/-    1.69  0.070 / 0.180
G17     359.5          72.2                8.3 +/-    0.77       8.6 +/-    0.77  0.050 / 0.090
G19     266.1          66.9                7.5 +/-    0.75       8.1 +/-    0.75  0.060 / 0.120
G24     316.8          18.2                7.6 +/-    2.70      17.5 +/-    2.70  0.070 / 0.110
G28     62.8           51.1                7.3 +/-    0.33       9.0 +/-    0.33  0.070 / 0.140
G30     153.5          30.9               10.7 +/-    1.66      18.3 +/-    1.66  0.110 / 0.160