PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-23:58:00
G01     319.9          16.5              -19.5 +/-   24.52     -46.8 +/-   24.52  0.130 / 0.330
G08     263.8          15.2                8.3 +/-    2.38      20.5 +/-    2.38  0.130 / 0.340
G10     75.2           53.5                8.1 +/-    0.81       9.8 +/-    0.81  0.180 / 0.230
G11     307.4          19.9                8.2 +/-    1.80      18.1 +/-    1.80  0.050 / 0.070
G14     279.7          68.2                8.2 +/-    0.50       8.8 +/-    0.50  0.040 / 0.060
G18     307.8          38.2                8.7 +/-    1.52      13.1 +/-    1.52  0.160 / 0.300
G20     102.7          30.8               10.0 +/-    0.72      17.2 +/-    0.72  0.190 / 0.270
G27     226.7          11.6                8.6 +/-    3.52      23.1 +/-    3.52  0.070 / 0.090
G31     175.4          39.0               10.9 +/-    1.18      16.1 +/-    1.18  0.050 / 0.100
G32     0.3            70.1                7.9 +/-    0.47       8.4 +/-    0.47  0.150 / 0.370