PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-18:57:40
G10     250.5          28.4               14.2 +/-    1.36      25.7 +/-    1.36  0.050 / 0.050
G13     53.0           28.7                9.2 +/-    0.84      16.5 +/-    0.84  0.040 / 0.060
G15     86.4           57.6               12.6 +/-    0.40      14.6 +/-    0.40  0.150 / 0.780
G16     295.3          15.9               10.7 +/-    3.48      26.1 +/-    3.48  0.140 / 0.780
G20     271.1          51.8               13.3 +/-    1.00      16.4 +/-    1.00  0.070 / 0.130
G21     333.3          59.4               11.2 +/-    0.88      12.8 +/-    0.88  0.050 / 0.160
G26     268.2          15.5               13.5 +/-    1.95      33.1 +/-    1.95  0.030 / 0.050
G29     163.7          51.0               13.2 +/-    1.69      16.4 +/-    1.69  0.030 / 0.060