PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-01:58:00
G08     268.0          16.5               10.5 +/-    2.36      25.3 +/-    2.36  0.230 / 0.400
G10     70.0           55.2                8.5 +/-    0.44      10.1 +/-    0.44  0.290 / 0.350
G11     309.4          18.8                7.7 +/-    1.90      17.5 +/-    1.90  0.060 / 0.060
G14     273.5          67.5                8.0 +/-    0.58       8.5 +/-    0.58  0.050 / 0.070
G18     310.0          35.9                7.0 +/-    2.87      10.9 +/-    2.87  0.080 / 0.400
G20     99.5           33.8                7.2 +/-    0.53      11.7 +/-    0.53  0.090 / 0.480
G21     155.9          12.5                8.6 +/-    3.07      22.7 +/-    3.07  0.030 / 0.030
G27     229.2          13.7               12.8 +/-    3.38      32.7 +/-    3.38  0.030 / 0.040
G31     176.1          35.7               10.6 +/-    1.16      16.7 +/-    1.16  0.200 / 0.360
G32     349.6          72.4                8.5 +/-    0.67       8.8 +/-    0.67  0.200 / 0.460