PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/14-15:28:00
G01     299.6          37.9                7.3 +/-    2.00      11.0 +/-    2.00  0.100 / 0.190
G03     309.4          12.9               -5.6 +/-   28.92     -14.7 +/-   28.92  0.080 / 0.170
G10     113.5          33.4                8.2 +/-    0.83      13.3 +/-    0.83  0.050 / 0.040
G11     271.6          27.5                6.3 +/-    1.04      11.7 +/-    1.04  0.070 / 0.050
G14     14.1           62.6                6.4 +/-    0.82       7.1 +/-    0.82  0.080 / 0.080
G18     258.4          50.7                8.6 +/-    7.08      10.7 +/-    7.08  0.070 / 0.080
G22     312.7          33.8                4.1 +/-    1.10       6.6 +/-    1.10  0.040 / 0.050
G25     71.6           17.1                6.7 +/-    1.71      15.9 +/-    1.71  0.070 / 0.060
G31     165.8          70.5                7.3 +/-    0.34       7.7 +/-    0.34  0.060 / 0.080
G32     41.0           49.6                6.0 +/-    1.52       7.7 +/-    1.52  0.050 / 0.090