PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/23-05:28:00
G03     241.3          68.9                6.7 +/-    0.60       7.1 +/-    0.60  0.100 / 0.430
G09     302.9          17.8                5.4 +/-    1.84      12.6 +/-    1.84  0.110 / 0.370
G14     98.3           16.2                3.7 +/-    2.70       9.0 +/-    2.70  0.050 / 0.060
G16     125.3          58.0                6.2 +/-    0.71       7.1 +/-    0.71  0.040 / 0.060
G22     198.2          56.6                4.7 +/-    0.84       5.5 +/-    0.84  0.040 / 0.050
G23     321.2          51.2                5.9 +/-    1.36       7.3 +/-    1.36  0.030 / 0.060
G26     69.8           51.4                5.2 +/-    0.72       6.5 +/-    0.72  0.060 / 0.070
G31     52.6           18.4                2.5 +/-    0.46       5.8 +/-    0.46  0.060 / 0.080