PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-02:42:40
G02     226.9          70.4                4.7 +/-    0.54       5.0 +/-    0.54  0.060 / 0.100
G05     174.0          10.4               -7.5 +/-   11.66     -20.7 +/-   11.66  0.060 / 0.070
G06     44.7           71.5                1.8 +/-    0.44       1.9 +/-    0.44  0.040 / 0.070
G12     320.0          42.1                3.3 +/-    0.69       4.6 +/-    0.69  0.040 / 0.060
G17     65.6           25.0                3.7 +/-    2.11       7.2 +/-    2.11  0.230 / 0.390
G19     48.9           43.5                3.8 +/-    1.38       5.2 +/-    1.38  0.350 / 0.510
G24     250.7          38.4                5.5 +/-    2.07       8.2 +/-    2.07  0.060 / 0.050
G28     127.4          9.8                 4.0 +/-    2.56      11.3 +/-    2.56  0.040 / 0.060