PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-14:27:30
G05     50.0           15.2                5.1 +/-    1.13      12.7 +/-    1.13  0.120 / 0.330
G10     238.8          16.1                5.9 +/-    1.64      14.4 +/-    1.64  0.150 / 0.330
G13     70.1           35.4                8.0 +/-    0.99      12.6 +/-    0.99  0.040 / 0.040
G15     120.3          54.7                7.8 +/-    0.43       9.4 +/-    0.43  0.050 / 0.050
G16     311.6          13.0                3.8 +/-    4.33       9.9 +/-    4.33  0.120 / 0.170
G20     252.1          40.2                8.5 +/-    1.60      12.3 +/-    1.60  0.070 / 0.170
G21     320.1          51.8                6.2 +/-    0.79       7.7 +/-    0.79  0.030 / 0.020
G26     285.5          19.2                4.6 +/-    1.00      10.3 +/-    1.00  0.030 / 0.040
G29     156.6          66.3                9.7 +/-    0.44      10.5 +/-    0.44  0.070 / 0.100