PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-17:43:10
G03     200.2          46.7               12.6 +/-    0.65      16.6 +/-    0.65  0.250 / 0.190
G07     266.8          25.6               13.3 +/-    3.22      25.6 +/-    3.22  0.190 / 0.210
G09     314.6          35.9                9.1 +/-    0.91      14.2 +/-    0.91  0.060 / 0.090
G16     80.8           65.6               11.3 +/-    0.39      12.3 +/-    0.39  0.060 / 0.080
G22     183.5          29.4               13.4 +/-    1.64      23.8 +/-    1.64  0.180 / 0.320
G23     338.6          67.7               10.4 +/-    0.83      11.1 +/-    0.83  0.180 / 0.250
G26     49.0           39.4                8.5 +/-    0.95      12.5 +/-    0.95  0.050 / 0.060
G27     128.8          16.5               15.1 +/-    2.63      36.1 +/-    2.63  0.050 / 0.060