PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-14:27:40
G10     264.9          38.6                6.8 +/-    1.02      10.1 +/-    1.02  0.130 / 0.180
G13     42.6           18.8                5.0 +/-    1.59      11.2 +/-    1.59  0.120 / 0.170
G15     59.0           47.5                5.7 +/-    0.33       7.4 +/-    0.33  0.040 / 0.080
G16     280.6          13.5                5.3 +/-    1.46      13.5 +/-    1.46  0.050 / 0.080
G20     298.6          61.4                6.1 +/-    0.63       6.9 +/-    0.63  0.050 / 0.040
G21     0.3            70.4                6.5 +/-    0.83       6.8 +/-    0.83  0.040 / 0.050
G24     124.2          12.6                8.6 +/-    2.04      22.7 +/-    2.04  0.080 / 0.370
G27     319.8          16.9                2.7 +/-    1.18       6.4 +/-    1.18  0.100 / 0.360
G29     167.1          35.1                7.8 +/-    0.99      12.4 +/-    0.99  0.160 / 0.390