PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/06-20:28:10
G03     208.6          56.0               11.1 +/-    0.57      13.1 +/-    0.57  0.050 / 0.080
G07     257.6          15.5               11.2 +/-    2.89      27.5 +/-    2.89  0.050 / 0.060
G09     310.5          27.8                9.1 +/-    1.06      16.6 +/-    1.06  0.200 / 0.440
G16     95.9           65.2               12.4 +/-    0.87      13.5 +/-    0.87  0.200 / 0.250
G22     187.4          40.3               11.3 +/-    0.70      16.4 +/-    0.70  0.190 / 0.330
G23     332.1          61.4               10.2 +/-    0.76      11.4 +/-    0.76  0.160 / 0.380
G26     52.8           42.6                9.7 +/-    1.10      13.5 +/-    1.10  0.040 / 0.040
G27     132.6          11.6               15.0 +/-    3.02      40.5 +/-    3.02  0.050 / 0.040
G31     59.9           9.6                 8.5 +/-    1.98      24.0 +/-    1.98  0.050 / 0.040