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                6.8 +/-    1.12      16.2 +/-    1.12  0.170 / 0.300
G08     263.1          15.0               10.1 +/-    2.47      25.3 +/-    2.47  0.160 / 0.320
G10     76.2           53.1                9.2 +/-    0.69      11.2 +/-    0.69  0.130 / 0.350
G11     307.0          20.2               -4.7 +/-   16.26     -10.4 +/-   16.26  0.120 / 0.330
G14     281.0          68.4                9.6 +/-    0.64      10.2 +/-    0.64  0.040 / 0.060
G18     307.3          38.7                8.9 +/-    1.23      13.3 +/-    1.23  0.040 / 0.050
G20     103.3          30.2               10.4 +/-    0.57      18.2 +/-    0.57  0.150 / 0.240
G27     226.3          11.2               13.1 +/-    4.00      35.7 +/-    4.00  0.130 / 0.290
G31     175.3          39.6               13.5 +/-    1.55      19.8 +/-    1.55  0.060 / 0.120
G32     2.0            69.6                8.9 +/-    0.47       9.5 +/-    0.47  0.060 / 0.090