PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-12:27:50
G08     265.9          18.4                4.7 +/-    1.17      10.8 +/-    1.17  0.230 / 0.290
G10     62.5           57.5                5.3 +/-    0.53       6.1 +/-    0.53  0.150 / 0.290
G11     310.8          18.1                1.8 +/-    6.26       4.1 +/-    6.26  0.030 / 0.020
G14     268.0          67.3                6.0 +/-    0.93       6.4 +/-    0.93  0.030 / 0.020
G18     311.3          34.8                3.6 +/-    1.41       5.8 +/-    1.41  0.030 / 0.030
G20     95.7           36.3                6.0 +/-    0.70       9.3 +/-    0.70  0.040 / 0.040
G21     153.9          12.0                0.3 +/-    2.64       0.9 +/-    2.64  0.030 / 0.030
G27     233.7          16.5                5.3 +/-    3.39      12.7 +/-    3.39  0.040 / 0.030
G31     180.0          28.4                5.5 +/-    1.50       9.9 +/-    1.50  0.130 / 0.200
G32     322.7          74.4                6.5 +/-    0.73       6.7 +/-    0.73  0.120 / 0.230