PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-17:12:50
G10     263.5          37.6               13.1 +/-    0.85      19.8 +/-    0.85  0.130 / 0.310
G13     43.3           19.9               10.3 +/-    1.59      22.8 +/-    1.59  0.180 / 0.300
G15     61.9           49.9               12.3 +/-    0.30      15.5 +/-    0.30  0.050 / 0.050
G16     281.8          13.8                9.3 +/-    1.62      23.8 +/-    1.62  0.070 / 0.050
G20     294.3          60.0               12.9 +/-    0.73      14.6 +/-    0.73  0.140 / 0.460
G21     354.7          69.0               13.3 +/-    1.00      14.1 +/-    1.00  0.140 / 0.430
G24     125.3          11.8               13.8 +/-    1.72      36.9 +/-    1.72  0.090 / 0.330
G27     320.3          15.7                7.4 +/-    2.27      18.0 +/-    2.27  0.090 / 0.300
G29     166.9          36.4               13.6 +/-    1.50      21.1 +/-    1.50  0.040 / 0.080