PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-00:27:50
G03     214.5          58.3                8.0 +/-    1.28       9.2 +/-    1.28  0.050 / 0.060
G07     257.0          15.5                6.4 +/-    4.01      15.8 +/-    4.01  0.060 / 0.060
G09     310.2          27.7                5.3 +/-    2.61       9.8 +/-    2.61  0.030 / 0.020
G16     106.5          66.1                8.1 +/-    0.64       8.8 +/-    0.64  0.040 / 0.030
G22     189.3          42.7                7.6 +/-    0.50      10.6 +/-    0.50  0.080 / 0.130
G23     329.0          58.9                5.8 +/-    0.67       6.6 +/-    0.67  0.160 / 0.120
G26     55.2           45.6                4.2 +/-    0.65       5.6 +/-    0.65  0.090 / 0.080
G27     133.1          11.0                3.7 +/-   21.02      10.1 +/-   21.02  0.070 / 0.090
G31     58.5           12.4                2.4 +/-    2.94       6.5 +/-    2.94  0.110 / 0.230