PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-00:42:50
G07     315.6          51.2                5.2 +/-    0.93       6.5 +/-    0.93  0.080 / 0.110
G08     116.6          45.9                8.8 +/-    0.55      11.8 +/-    0.55  0.110 / 0.140
G09     200.7          83.1                6.6 +/-    0.68       6.7 +/-    0.68  0.040 / 0.060
G16     43.6           15.6                2.1 +/-    3.45       5.1 +/-    3.45  0.040 / 0.060
G23     150.1          56.2                7.0 +/-    0.97       8.2 +/-    0.97  0.030 / 0.040
G27     69.4           36.1                5.5 +/-    1.21       8.5 +/-    1.21  0.040 / 0.050
G30     290.1          23.6                4.0 +/-    1.28       8.1 +/-    1.28  0.160 / 0.390