PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-05:58:00
G07     22.6           68.7                5.5 +/-    0.70       5.8 +/-    0.70  0.040 / 0.050
G08     62.9           48.2                5.7 +/-    0.71       7.4 +/-    0.71  0.040 / 0.060
G09     177.4          46.8                7.9 +/-    0.80      10.4 +/-    0.80  0.050 / 0.060
G11     131.4          29.0                7.7 +/-    1.64      13.7 +/-    1.64  0.060 / 0.060
G23     160.0          18.0                4.4 +/-    1.46      10.2 +/-    1.46  0.120 / 0.280
G27     40.1           16.4                2.9 +/-    1.94       7.1 +/-    1.94  0.150 / 0.140
G28     255.0          39.3                7.4 +/-    1.19      10.8 +/-    1.19  0.030 / 0.040
G30     318.8          49.5                5.6 +/-    0.56       7.1 +/-    0.56  0.030 / 0.040