PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-23:43:00
G01     319.8          17.1              -16.8 +/-   29.17     -39.6 +/-   29.17  0.270 / 0.000
G08     263.1          15.0                9.7 +/-    1.31      24.2 +/-    1.31  0.240 / 0.270
G10     76.2           53.1                8.6 +/-    0.84      10.5 +/-    0.84  0.050 / 0.050
G11     307.0          20.2                7.1 +/-    1.14      15.5 +/-    1.14  0.040 / 0.040
G14     281.0          68.4                9.0 +/-    0.67       9.7 +/-    0.67  0.090 / 0.080
G18     307.3          38.7                8.0 +/-    1.50      11.9 +/-    1.50  0.060 / 0.090
G20     103.3          30.2                9.6 +/-    1.42      16.7 +/-    1.42  0.030 / 0.020
G27     226.3          11.2               14.2 +/-    1.38      38.6 +/-    1.38  0.020 / 0.030
G31     175.3          39.6               11.5 +/-    1.20      16.9 +/-    1.20  0.210 / 0.390
G32     2.0            69.6                8.4 +/-    0.82       8.9 +/-    0.82  0.260 / 0.350