PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-22:43:00
G10     266.5          39.2               12.0 +/-    1.20      17.7 +/-    1.20  0.270 / 0.150
G13     41.8           17.8                9.1 +/-    2.80      21.1 +/-    2.80  0.140 / 0.140
G15     60.0           49.5                9.5 +/-    0.99      12.1 +/-    0.99  0.040 / 0.040
G16     280.0          12.8               10.5 +/-    1.96      27.4 +/-    1.96  0.040 / 0.050
G20     296.4          59.8                9.5 +/-    0.98      10.8 +/-    0.98  0.240 / 0.390
G21     359.2          70.7               10.5 +/-    0.74      11.1 +/-    0.74  0.120 / 0.320
G24     122.2          13.7               12.5 +/-    3.32      32.2 +/-    3.32  0.030 / 0.050
G27     319.4          17.7                9.7 +/-    1.99      22.5 +/-    1.99  0.040 / 0.040
G29     166.9          32.0               11.5 +/-    0.99      19.4 +/-    0.99  0.220 / 0.390