PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/30-05:12:40
G01     66.1           31.2                6.8 +/-    0.99      11.6 +/-    0.99  0.030 / 0.030
G07     138.1          29.4                8.6 +/-    1.55      15.3 +/-    1.55  0.030 / 0.030
G11     53.8           33.2                5.8 +/-    1.97       9.6 +/-    1.97  0.120 / 0.300
G13     270.2          38.5                8.1 +/-    2.78      12.0 +/-    2.78  0.140 / 0.320
G15     298.2          16.8                4.6 +/-    1.58      11.0 +/-    1.58  0.040 / 0.050
G17     235.4          71.6                9.9 +/-    0.38      10.4 +/-    0.38  0.050 / 0.060
G19     224.6          46.3                9.9 +/-    2.51      13.0 +/-    2.51  0.030 / 0.030
G28     5.6            61.3                6.3 +/-    0.87       7.0 +/-    0.87  0.030 / 0.030
G30     138.4          64.1                9.4 +/-    0.88      10.3 +/-    0.88  0.120 / 0.100