PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/26-03:12:50
G08     264.8          15.5                9.6 +/-    4.28      23.6 +/-    4.28  0.160 / 0.350
G10     73.9           54.0                7.5 +/-    0.97       9.0 +/-    0.97  0.130 / 0.380
G11     307.2          20.4                6.0 +/-    2.04      13.1 +/-    2.04  0.290 / 0.590
G14     280.9          69.0                7.6 +/-    0.82       8.1 +/-    0.82  0.140 / 0.590
G18     308.2          37.9                6.0 +/-    1.32       9.1 +/-    1.32  0.030 / 0.040
G20     101.5          32.6                6.1 +/-    1.17      10.2 +/-    1.17  0.040 / 0.040
G21     156.1          10.1                8.5 +/-    2.74      23.7 +/-    2.74  0.050 / 0.090
G27     227.5          12.1               12.2 +/-    1.84      32.5 +/-    1.84  0.070 / 0.090
G31     175.6          38.3                9.2 +/-    1.19      13.8 +/-    1.19  0.020 / 0.030
G32     354.6          71.1                6.7 +/-    0.51       7.1 +/-    0.51  0.030 / 0.030