PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/24-18:57:40
G03     196.1          37.5                8.5 +/-    0.97      12.9 +/-    0.97  0.070 / 0.110
G07     275.0          30.8               10.4 +/-    1.89      17.9 +/-    1.89  0.080 / 0.130
G08     151.4          13.9               11.3 +/-    1.78      28.9 +/-    1.78  0.040 / 0.050
G09     318.2          44.7                8.1 +/-    0.64      10.9 +/-    0.64  0.050 / 0.050
G16     59.6           59.6                9.8 +/-    0.65      11.2 +/-    0.65  0.080 / 0.120
G22     181.5          20.9               10.2 +/-    2.44      21.9 +/-    2.44  0.110 / 0.120
G23     352.7          75.9                8.5 +/-    0.65       8.7 +/-    0.65  0.060 / 0.080
G26     45.3           31.9                7.7 +/-    1.39      12.9 +/-    1.39  0.060 / 0.070
G27     121.3          22.9               10.3 +/-    2.12      21.0 +/-    2.12  0.040 / 0.040