PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-01:43:10
G10     250.1          26.3               13.0 +/-    1.06      24.6 +/-    1.06  0.040 / 0.070
G13     54.1           30.2                8.4 +/-    1.17      14.7 +/-    1.17  0.050 / 0.060
G15     90.3           58.4               10.6 +/-    0.75      12.3 +/-    0.75  0.130 / 0.600
G16     295.0          15.8                8.3 +/-    2.02      20.3 +/-    2.02  0.130 / 0.630
G20     264.8          44.8               10.3 +/-    0.94      14.0 +/-    0.94  0.070 / 0.150
G21     331.9          59.2                9.1 +/-    0.82      10.4 +/-    0.82  0.080 / 0.160
G26     266.9          15.9               13.0 +/-    4.18      31.7 +/-    4.18  0.030 / 0.050
G29     165.1          51.6               11.1 +/-    0.48      13.7 +/-    0.48  0.030 / 0.060