PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-22:28:10
G07     317.6          51.5                9.6 +/-    0.87      11.9 +/-    0.87  0.220 / 0.570
G08     119.3          47.0               13.1 +/-    0.67      17.2 +/-    0.67  0.310 / 0.310
G09     248.5          82.6               11.2 +/-    1.36      11.3 +/-    1.36  0.230 / 0.370
G16     43.5           17.1                8.7 +/-    3.57      20.6 +/-    3.57  0.160 / 0.600
G23     150.3          52.4               12.2 +/-    0.60      14.9 +/-    0.60  0.030 / 0.050
G27     66.3           35.6               10.5 +/-    1.37      16.6 +/-    1.37  0.040 / 0.050
G28     229.6          21.2               10.6 +/-    4.16      22.6 +/-    4.16  0.070 / 0.060
G30     295.3          31.5               10.3 +/-    1.33      17.4 +/-    1.33  0.080 / 0.060