PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/31-00:42:50
G08     266.2          16.0               12.2 +/-    1.85      29.6 +/-    1.85  0.190 / 0.320
G10     72.2           54.5               10.8 +/-    0.94      12.9 +/-    0.94  0.280 / 0.580
G11     308.7          19.2                8.3 +/-    1.50      18.6 +/-    1.50  0.050 / 0.060
G14     275.6          67.7                9.3 +/-    0.36      10.0 +/-    0.36  0.050 / 0.050
G18     309.2          36.8                9.4 +/-    1.32      14.5 +/-    1.32  0.070 / 0.090
G20     100.9          32.4                9.3 +/-    1.08      15.6 +/-    1.08  0.070 / 0.100
G21     156.1          11.3               10.3 +/-    3.46      27.9 +/-    3.46  0.180 / 0.410
G27     228.1          12.8               10.4 +/-    4.64      27.1 +/-    4.64  0.230 / 0.410
G31     175.8          37.0               12.7 +/-    1.11      19.4 +/-    1.11  0.020 / 0.020
G32     354.8          71.5                9.0 +/-    0.34       9.4 +/-    0.34  0.030 / 0.020