PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-19:12:50
G10     294.6          51.0               11.9 +/-    2.21      14.8 +/-    2.21  0.080 / 0.110
G15     47.1           33.2                9.6 +/-    1.33      15.8 +/-    1.33  0.080 / 0.120
G20     347.3          65.4               11.6 +/-    0.34      12.6 +/-    0.34  0.040 / 0.040
G21     91.4           74.3               12.5 +/-    0.33      12.9 +/-    0.33  0.040 / 0.040
G24     96.1           25.3               13.2 +/-    1.86      25.7 +/-    1.86  0.070 / 0.080
G27     304.2          32.1               10.5 +/-    1.32      17.5 +/-    1.32  0.050 / 0.100
G32     209.6          30.2               12.7 +/-    3.10      22.1 +/-    3.10  0.060 / 0.110