PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-08:42:30
G02     203.6          38.6               11.2 +/-    1.28      16.7 +/-    1.28  0.130 / 0.190
G06     151.4          72.1               13.2 +/-    0.82      13.8 +/-    0.82  0.160 / 0.190
G12     309.3          20.5                6.5 +/-    1.12      14.2 +/-    1.12  0.060 / 0.040
G17     38.3           47.1                5.8 +/-    0.26       7.6 +/-    0.26  0.060 / 0.050
G19     11.1           62.5                5.8 +/-    0.68       6.5 +/-    0.68  0.050 / 0.090
G24     295.8          38.1                8.9 +/-    1.47      13.4 +/-    1.47  0.040 / 0.080
G28     100.8          36.6               12.4 +/-    0.80      19.2 +/-    0.80  0.060 / 0.100