PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/17-01:28:10
G01     49.3           24.9                4.5 +/-    2.60       8.8 +/-    2.60  0.040 / 0.040
G06     180.5          21.7                7.8 +/-    1.84      16.4 +/-    1.84  0.040 / 0.060
G11     44.0           13.3                3.3 +/-    1.65       8.5 +/-    1.65  0.090 / 0.130
G13     249.1          30.5                5.4 +/-    2.25       9.3 +/-    2.25  0.110 / 0.160
G15     282.9          15.6                3.8 +/-    0.70       9.3 +/-    0.70  0.140 / 0.100
G17     330.0          78.5                5.3 +/-    0.72       5.4 +/-    0.72  0.040 / 0.040
G19     246.5          59.7                6.1 +/-    0.87       7.0 +/-    0.87  0.040 / 0.040
G24     318.4          10.8              -15.5 +/-   18.06     -42.5 +/-   18.06  0.180 / 0.190
G28     49.0           54.7                5.0 +/-    1.91       6.0 +/-    1.91  0.180 / 0.180
G30     150.1          41.0                6.6 +/-    0.89       9.4 +/-    0.89  0.090 / 0.210