PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-17:27:20
G10     298.0          52.9                8.0 +/-    1.84       9.7 +/-    1.84  0.050 / 0.110
G15     45.9           26.6                6.7 +/-    1.65      12.7 +/-    1.65  0.050 / 0.080
G20     356.7          65.2                8.5 +/-    0.76       9.2 +/-    0.76  0.070 / 0.110
G21     92.6           74.5                9.0 +/-    0.47       9.3 +/-    0.47  0.070 / 0.120
G24     100.5          26.4                8.9 +/-    1.16      16.9 +/-    1.16  0.040 / 0.030
G27     301.8          34.1                6.6 +/-    1.72      10.6 +/-    1.72  0.040 / 0.050
G32     209.3          32.3                9.3 +/-    1.18      15.6 +/-    1.18  0.060 / 0.040