PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/16-19:28:10
G10     279.5          45.0               11.6 +/-    1.91      15.6 +/-    1.91  0.070 / 0.140
G15     52.1           43.6                9.7 +/-    0.39      13.3 +/-    0.39  0.070 / 0.110
G20     320.3          64.1               10.6 +/-    0.47      11.6 +/-    0.47  0.030 / 0.040
G21     42.7           76.7               11.1 +/-    0.40      11.4 +/-    0.40  0.030 / 0.040
G24     107.7          20.4               13.3 +/-    0.75      29.1 +/-    0.75  0.040 / 0.050
G27     313.4          25.5               10.0 +/-    1.36      19.3 +/-    1.36  0.030 / 0.060
G29     168.4          20.3               11.4 +/-    1.68      24.8 +/-    1.68  0.090 / 0.370
G32     206.1          19.5               10.5 +/-    1.00      23.3 +/-    1.00  0.140 / 0.300