PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-03:42:50
G01     268.8          42.1                6.3 +/-    1.41       8.9 +/-    1.41  0.050 / 0.070
G03     315.9          29.3                4.7 +/-    2.29       8.4 +/-    2.29  0.040 / 0.070
G10     129.5          15.3                6.0 +/-    1.46      14.8 +/-    1.46  0.040 / 0.060
G11     251.4          19.2                6.8 +/-    1.85      15.3 +/-    1.85  0.040 / 0.060
G14     41.3           51.3                3.8 +/-    0.41       4.7 +/-    0.41  0.090 / 0.150
G18     233.0          38.9                7.8 +/-    1.56      11.6 +/-    1.56  0.130 / 0.170
G22     314.2          50.7                5.6 +/-    1.10       7.0 +/-    1.10  0.060 / 0.080
G25     53.6           16.9                3.4 +/-    1.90       8.0 +/-    1.90  0.080 / 0.120
G31     55.3           72.0               -5.1 +/-    0.40      -5.3 +/-    0.40  0.140 / 0.230
G32     63.5           32.9                4.1 +/-    0.68       6.7 +/-    0.68  0.130 / 0.300