PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-20:28:10
G10     263.2          37.3               14.3 +/-    1.03      21.8 +/-    1.03  0.040 / 0.050
G13     43.5           20.1                9.1 +/-    1.34      19.9 +/-    1.34  0.040 / 0.050
G15     64.9           52.6               11.8 +/-    0.28      14.5 +/-    0.28  0.140 / 0.430
G16     282.4          13.8               11.5 +/-    1.97      29.3 +/-    1.97  0.130 / 0.350
G20     291.8          59.0               12.1 +/-    0.89      13.9 +/-    0.89  0.080 / 0.330
G21     352.8          68.6               11.2 +/-    0.72      12.0 +/-    0.72  0.080 / 0.250
G24     125.2          11.7               15.7 +/-    3.28      42.2 +/-    3.28  0.030 / 0.050
G27     320.5          15.3                7.4 +/-    2.00      18.3 +/-    2.00  0.030 / 0.050
G29     166.7          36.1               14.9 +/-    1.07      23.2 +/-    1.07  0.110 / 0.300