PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/26-03:58:00
G02     253.3          78.8                4.5 +/-    0.46       4.6 +/-    0.46  0.100 / 0.100
G05     170.3          18.7                3.7 +/-    1.79       8.4 +/-    1.79  0.090 / 0.130
G06     38.6           61.8                2.9 +/-    0.58       3.2 +/-    0.58  0.040 / 0.040
G12     320.8          52.1                3.2 +/-    1.05       4.0 +/-    1.05  0.040 / 0.040
G17     73.8           18.9                2.7 +/-    1.80       6.1 +/-    1.80  0.260 / 0.270
G19     58.9           37.4                3.4 +/-    1.43       5.2 +/-    1.43  0.200 / 0.340
G24     239.6          32.9                5.1 +/-    1.54       8.4 +/-    1.54  0.050 / 0.100
G25     316.9          16.9                1.3 +/-    1.80       3.0 +/-    1.80  0.060 / 0.050