PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-18:12:40
G05     52.1           11.1               11.4 +/-    2.03      31.2 +/-    2.03  0.130 / 0.310
G10     243.0          21.8               17.9 +/-    1.02      37.7 +/-    1.02  0.160 / 0.300
G13     62.3           32.9               13.0 +/-    0.50      21.4 +/-    0.50  0.040 / 0.060
G15     105.0          57.1               13.8 +/-    0.33      16.1 +/-    0.33  0.040 / 0.070
G16     304.2          15.4               10.9 +/-    4.73      27.0 +/-    4.73  0.050 / 0.120
G20     259.6          45.8               14.5 +/-    0.90      19.4 +/-    0.90  0.050 / 0.130
G21     323.2          53.1               14.4 +/-    0.95      17.5 +/-    0.95  0.140 / 0.680
G26     277.1          18.5               13.7 +/-    2.02      31.4 +/-    2.02  0.150 / 0.590
G29     160.2          61.6               15.2 +/-    1.22      17.0 +/-    1.22  0.030 / 0.040