PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/08-03:57:50
G08     276.5          20.2               10.4 +/-    1.75      22.8 +/-    1.75  0.070 / 0.150
G10     50.7           59.6                6.3 +/-    0.94       7.2 +/-    0.94  0.190 / 0.470
G14     252.5          61.7                8.4 +/-    0.64       9.4 +/-    0.64  0.030 / 0.030
G18     315.2          27.1                7.1 +/-    1.57      13.2 +/-    1.57  0.040 / 0.030
G20     88.6           41.2                6.7 +/-    1.31       9.6 +/-    1.31  0.090 / 0.160
G21     153.9          22.3                8.4 +/-    2.10      17.5 +/-    2.10  0.090 / 0.180
G24     42.9           14.7                4.7 +/-    2.58      11.7 +/-    2.58  0.060 / 0.050
G27     237.5          20.8               10.7 +/-    2.41      23.0 +/-    2.41  0.060 / 0.060
G31     178.7          24.6                8.9 +/-    1.59      17.6 +/-    1.59  0.250 / 0.350
G32     304.7          75.8                7.3 +/-    0.48       7.5 +/-    0.48  0.190 / 0.380