PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/30-02:58:00
G01     263.4          41.2                6.6 +/-    1.18       9.5 +/-    1.18  0.080 / 0.100
G03     316.4          32.3                4.6 +/-    1.45       7.7 +/-    1.45  0.090 / 0.090
G10     131.6          12.2                5.0 +/-    3.16      13.2 +/-    3.16  0.050 / 0.070
G11     248.3          17.4                7.2 +/-    1.92      16.8 +/-    1.92  0.040 / 0.080
G14     45.3           49.4                4.5 +/-    0.65       5.8 +/-    0.65  0.050 / 0.060
G18     229.4          36.2                6.4 +/-    2.08      10.0 +/-    2.08  0.050 / 0.060
G22     313.2          53.9                3.9 +/-    1.36       4.7 +/-    1.36  0.120 / 0.390
G25     50.2           15.8                3.7 +/-    3.08       9.1 +/-    3.08  0.110 / 0.420
G31     49.4           68.5                4.2 +/-    0.53       4.5 +/-    0.53  0.170 / 0.460
G32     67.0           30.2                3.9 +/-    0.85       6.9 +/-    0.85  0.130 / 0.460