PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/20-01:27:50
G08     266.9          16.0                9.9 +/-    1.51      24.2 +/-    1.51  0.140 / 0.350
G10     72.1           54.5                7.8 +/-    0.29       9.4 +/-    0.29  0.170 / 0.330
G11     308.5          19.3                7.4 +/-    1.50      16.5 +/-    1.50  0.040 / 0.060
G14     276.2          67.9                7.1 +/-    0.44       7.6 +/-    0.44  0.040 / 0.060
G18     309.2          36.8                8.3 +/-    2.25      12.8 +/-    2.25  0.170 / 0.380
G20     100.8          32.7                7.7 +/-    0.87      12.8 +/-    0.87  0.160 / 0.470
G21     156.1          11.3                8.4 +/-    2.37      22.8 +/-    2.37  0.170 / 0.340
G27     228.2          12.9               11.0 +/-    3.56      28.8 +/-    3.56  0.170 / 0.370
G31     175.8          37.0               10.2 +/-    1.84      15.6 +/-    1.84  0.130 / 0.250
G32     353.8          71.6                7.1 +/-    0.44       7.4 +/-    0.44  0.140 / 0.300