PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-11:57:40
G08     279.6          22.6                5.6 +/-    1.11      11.6 +/-    1.11  0.100 / 0.140
G10     35.5           61.8                4.5 +/-    1.20       5.0 +/-    1.20  0.110 / 0.150
G14     242.9          57.7                6.9 +/-    1.88       8.1 +/-    1.88  0.020 / 0.020
G18     316.5          23.0                4.1 +/-    1.30       8.3 +/-    1.30  0.030 / 0.020
G20     81.0           45.1                5.4 +/-    0.79       7.3 +/-    0.79  0.070 / 0.080
G21     150.8          25.1               -1.4 +/-    3.13      -2.7 +/-    3.13  0.050 / 0.050
G24     45.5           17.5                4.1 +/-    2.43       9.7 +/-    2.43  0.040 / 0.030
G27     245.0          25.3                5.0 +/-    1.70       9.7 +/-    1.70  0.030 / 0.030
G31     182.7          15.1                4.3 +/-    1.93      10.6 +/-    1.93  0.110 / 0.330
G32     270.1          72.1                5.4 +/-    0.46       5.6 +/-    0.46  0.120 / 0.260