PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/12-00:43:00
G02     237.2          75.0               10.9 +/-    0.30      11.3 +/-    0.30  0.060 / 0.060
G05     171.8          14.8               12.3 +/-    2.14      30.8 +/-    2.14  0.050 / 0.060
G06     40.7           64.4                9.8 +/-    0.57      10.7 +/-    0.57  0.080 / 0.070
G12     320.6          46.8               10.4 +/-    0.75      13.7 +/-    0.75  0.130 / 0.110
G17     69.3           22.7                8.1 +/-    2.23      16.7 +/-    2.23  0.040 / 0.050
G19     54.5           39.8                9.7 +/-    1.56      14.2 +/-    1.56  0.060 / 0.050
G24     245.9          35.8               12.7 +/-    1.15      19.8 +/-    1.15  0.120 / 0.140