PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-21:58:10
G07     330.2          57.4               10.4 +/-    0.51      12.0 +/-    0.51  0.060 / 0.060
G08     104.7          49.5               11.4 +/-    0.56      14.4 +/-    0.56  0.060 / 0.050
G09     203.4          79.3               11.4 +/-    0.69      11.6 +/-    0.69  0.270 / 0.190
G11     147.8          10.6               -2.6 +/-   24.32      -7.1 +/-   24.32  0.120 / 0.240
G16     44.8           14.6                8.5 +/-    1.74      21.4 +/-    1.74  0.030 / 0.040
G23     154.1          49.8               12.5 +/-    0.69      15.8 +/-    0.69  0.040 / 0.040
G27     63.6           36.0               10.5 +/-    1.22      16.4 +/-    1.22  0.280 / 0.350
G28     232.2          22.0               12.6 +/-    3.64      26.4 +/-    3.64  0.170 / 0.290
G30     297.1          31.0               10.4 +/-    1.97      17.9 +/-    1.97  0.030 / 0.030