PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/22-03:12:40
G03     190.5          18.6                6.6 +/-    1.93      15.0 +/-    1.93  0.170 / 0.160
G07     294.5          40.1                5.3 +/-    3.31       7.7 +/-    3.31  0.200 / 0.120
G08     137.7          31.4               10.1 +/-    0.66      17.2 +/-    0.66  0.100 / 0.090
G09     319.6          66.6                4.9 +/-    0.34       5.3 +/-    0.34  0.070 / 0.090
G16     42.4           40.8                4.6 +/-    1.14       6.6 +/-    1.14  0.040 / 0.090
G23     124.6          77.6                5.5 +/-    1.22       5.6 +/-    1.22  0.050 / 0.080
G26     44.0           11.5                3.9 +/-    1.74      10.4 +/-    1.74  0.030 / 0.020
G27     93.6           35.0                7.1 +/-    0.91      11.2 +/-    0.91  0.030 / 0.020
G30     276.6          15.3                3.7 +/-    1.43       9.2 +/-    1.43  0.080 / 0.070