PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/30-22:27:50
G10     272.0          41.2               13.3 +/-    0.88      19.0 +/-    0.88  0.090 / 0.150
G13     39.9           14.6                8.5 +/-    2.00      21.3 +/-    2.00  0.080 / 0.150
G15     57.3           49.0               10.0 +/-    0.68      12.8 +/-    0.68  0.050 / 0.040
G20     269.7          27.8                7.4 +/-    1.27      13.6 +/-    1.27  0.040 / 0.040
G21     11.1           74.1               11.8 +/-    0.75      12.2 +/-    0.75  0.100 / 0.240
G24     114.7          16.9               12.6 +/-    1.72      29.8 +/-    1.72  0.140 / 0.330
G27     316.6          22.0                8.7 +/-    2.85      18.2 +/-    2.85  0.120 / 0.370
G29     168.8          27.7               15.0 +/-    1.05      27.6 +/-    1.05  0.080 / 0.330
G32     204.5          14.8               18.2 +/-    1.63      45.3 +/-    1.63  0.040 / 0.050