PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-17:27:40
G03     207.2          55.9               10.7 +/-    0.89      12.7 +/-    0.89  0.040 / 0.060
G07     259.2          20.0               10.9 +/-    1.72      24.0 +/-    1.72  0.040 / 0.060
G09     310.5          28.4                7.2 +/-    1.33      13.0 +/-    1.33  0.190 / 0.320
G16     106.5          65.8               10.2 +/-    0.30      11.1 +/-    0.30  0.190 / 0.320
G22     186.1          38.6               10.5 +/-    1.54      15.7 +/-    1.54  0.060 / 0.090
G23     329.5          59.6                8.4 +/-    0.84       9.6 +/-    0.84  0.050 / 0.110
G26     56.0           46.7                8.5 +/-    0.77      11.2 +/-    0.77  0.040 / 0.050
G27     135.6          10.4               -8.0 +/-   39.05     -22.2 +/-   39.05  0.040 / 0.070
G31     59.2           11.7                8.2 +/-    1.86      22.1 +/-    1.86  0.090 / 0.210