PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-13:12:30
G02     78.7           16.4                6.1 +/-    3.92      14.7 +/-    3.92  0.040 / 0.040
G05     44.4           42.1                4.5 +/-    1.06       6.3 +/-    1.06  0.030 / 0.070
G13     105.3          29.0               11.1 +/-    0.95      19.8 +/-    0.95  0.020 / 0.030
G15     147.3          33.3                8.2 +/-    1.60      13.5 +/-    1.60  0.030 / 0.020
G20     230.4          19.8                5.7 +/-    1.68      12.7 +/-    1.68  0.080 / 0.130
G21     291.4          31.5                6.7 +/-    2.26      11.4 +/-    2.26  0.080 / 0.160
G25     213.5          32.8                7.9 +/-    1.69      13.0 +/-    1.69  0.130 / 0.190
G26     311.7          15.2                1.8 +/-    1.70       4.6 +/-    1.70  0.110 / 0.210
G29     347.5          76.9                7.0 +/-    0.48       7.1 +/-    0.48  0.080 / 0.140