PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-12:57:40
G05     47.5           20.6                3.3 +/-    0.98       7.2 +/-    0.98  0.070 / 0.180
G10     234.3          12.5                5.5 +/-    2.00      14.4 +/-    2.00  0.070 / 0.180
G13     77.7           35.2                5.2 +/-    0.68       8.3 +/-    0.68  0.040 / 0.080
G15     122.2          51.4                7.1 +/-    0.52       8.8 +/-    0.52  0.040 / 0.060
G16     315.5          12.0                3.6 +/-    3.57       9.6 +/-    3.57  0.160 / 0.330
G20     247.3          38.3                7.5 +/-    1.73      11.2 +/-    1.73  0.120 / 0.370
G21     312.2          45.9                4.0 +/-    1.51       5.3 +/-    1.51  0.210 / 0.560
G25     200.4          13.4                5.4 +/-    3.98      14.0 +/-    3.98  0.160 / 0.430
G26     290.7          20.0                6.9 +/-    2.36      15.1 +/-    2.36  0.020 / 0.030
G29     150.0          76.7                7.5 +/-    1.19       7.7 +/-    1.19  0.030 / 0.030