PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-18:43:00
G01     220.3          11.4               11.1 +/-    4.16      30.1 +/-    4.16  0.040 / 0.040
G03     257.9          71.0                8.9 +/-    0.42       9.4 +/-    0.42  0.040 / 0.040
G09     298.9          13.0                8.4 +/-    2.87      21.9 +/-    2.87  0.030 / 0.050
G14     93.8           18.3                9.5 +/-    1.59      21.8 +/-    1.59  0.040 / 0.060
G16     143.4          50.9               12.0 +/-    1.04      14.9 +/-    1.04  0.190 / 0.480
G22     199.9          62.2               10.5 +/-    0.94      11.7 +/-    0.94  0.210 / 0.370
G23     312.3          41.7                7.9 +/-    1.52      11.1 +/-    1.52  0.140 / 0.320
G26     90.8           56.8                8.7 +/-    0.74      10.1 +/-    0.74  0.120 / 0.350
G31     47.5           29.1                5.9 +/-    0.52      10.5 +/-    0.52  0.080 / 0.100