PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-19:43:00
G02     241.2          74.8               10.9 +/-    0.23      11.3 +/-    0.23  0.120 / 0.310
G05     171.5          16.6               13.7 +/-    1.73      32.8 +/-    1.73  0.190 / 0.270
G06     40.8           56.4                9.5 +/-    0.50      11.2 +/-    0.50  0.230 / 0.340
G12     322.4          55.3                8.8 +/-    0.67      10.5 +/-    0.67  0.260 / 0.270
G17     71.0           22.5                9.6 +/-    1.62      19.9 +/-    1.62  0.110 / 0.110
G19     55.3           40.7                9.4 +/-    1.02      13.5 +/-    1.02  0.080 / 0.100
G24     243.6          34.5               14.2 +/-    2.41      22.8 +/-    2.41  0.040 / 0.040
G25     316.7          12.7                6.9 +/-    4.25      18.3 +/-    4.25  0.040 / 0.030