PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/26-18:12:40
G03     206.3          54.4               10.7 +/-    0.79      12.9 +/-    0.79  0.120 / 0.210
G07     260.5          20.8               11.4 +/-    3.09      24.5 +/-    3.09  0.190 / 0.210
G09     311.5          30.1                9.7 +/-    2.00      17.0 +/-    2.00  0.050 / 0.050
G16     99.7           66.0               10.5 +/-    0.94      11.3 +/-    0.94  0.050 / 0.050
G22     186.0          37.1               10.8 +/-    0.90      16.5 +/-    0.90  0.080 / 0.110
G23     330.9          61.0                9.2 +/-    0.53      10.3 +/-    0.53  0.090 / 0.120
G26     54.6           45.8                8.6 +/-    0.89      11.5 +/-    0.89  0.270 / 0.370
G27     134.4          11.6               12.2 +/-    3.03      32.8 +/-    3.03  0.320 / 0.400
G31     60.2           10.8                8.5 +/-    1.80      23.4 +/-    1.80  0.030 / 0.040