PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/04-01:12:40
G05     52.3           9.5                 7.0 +/-    2.90      19.8 +/-    2.90  0.100 / 0.340
G10     242.1          18.9               13.7 +/-    1.93      31.1 +/-    1.93  0.090 / 0.410
G13     64.8           34.7               10.0 +/-    1.00      15.9 +/-    1.00  0.250 / 0.300
G15     112.0          56.9               13.0 +/-    0.64      15.2 +/-    0.64  0.140 / 0.260
G16     305.1          15.3                6.6 +/-    1.39      16.4 +/-    1.39  0.030 / 0.050
G20     253.6          36.5               13.1 +/-    1.92      20.2 +/-    1.92  0.040 / 0.050
G21     320.9          52.1               10.4 +/-    0.59      12.8 +/-    0.59  0.040 / 0.030
G26     276.9          19.3                9.9 +/-    1.41      22.2 +/-    1.41  0.040 / 0.030
G29     161.6          63.4               11.4 +/-    0.44      12.6 +/-    0.44  0.060 / 0.120