PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-05:58:10
G01     91.6           31.4                6.4 +/-    0.62      10.9 +/-    0.62  0.030 / 0.030
G07     124.7          44.7                8.4 +/-    2.02      11.3 +/-    2.02  0.030 / 0.030
G11     68.1           39.4                5.7 +/-    0.39       8.3 +/-    0.39  0.060 / 0.100
G13     295.6          36.1                0.3 +/-    0.75       0.5 +/-    0.75  0.060 / 0.120
G17     212.6          55.1                9.2 +/-    0.77      10.9 +/-    0.77  0.050 / 0.060
G19     214.1          23.4                7.8 +/-    1.52      15.8 +/-    1.52  0.060 / 0.060
G28     342.6          61.8                5.0 +/-    0.77       5.6 +/-    0.77  0.050 / 0.060
G30     95.4           78.5                6.4 +/-    0.60       6.5 +/-    0.60  0.070 / 0.060