PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/14-22:27:40
G10     269.3          40.8                9.2 +/-    1.64      13.2 +/-    1.64  0.180 / 0.230
G13     40.7           15.9                6.9 +/-    2.81      16.8 +/-    2.81  0.150 / 0.280
G15     57.5           47.7                7.6 +/-    0.61       9.9 +/-    0.61  0.040 / 0.040
G16     277.6          12.0                7.8 +/-    2.40      20.8 +/-    2.40  0.040 / 0.040
G20     301.4          61.0                7.5 +/-    0.63       8.4 +/-    0.63  0.120 / 0.400
G21     5.0            72.2                8.9 +/-    0.60       9.3 +/-    0.60  0.190 / 0.500
G24     120.3          15.1               10.2 +/-    2.67      25.3 +/-    2.67  0.040 / 0.040
G27     318.3          19.7                5.9 +/-    1.69      13.1 +/-    1.69  0.030 / 0.030
G29     167.2          29.6               10.0 +/-    1.84      17.6 +/-    1.84  0.210 / 0.470