PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/28-12:12:30
G02     64.9           27.0                2.5 +/-    1.80       4.6 +/-    1.80  0.030 / 0.030
G05     52.8           58.8                6.0 +/-    0.49       6.9 +/-    0.49  0.030 / 0.030
G12     181.1          25.2                5.0 +/-    1.43       9.8 +/-    1.43  0.080 / 0.160
G13     122.0          18.5                6.6 +/-    1.42      15.1 +/-    1.42  0.120 / 0.170
G15     158.2          18.4                6.0 +/-    2.55      13.7 +/-    2.55  0.030 / 0.040
G21     276.5          21.0                5.7 +/-    1.22      12.3 +/-    1.22  0.040 / 0.040
G25     229.1          48.0                7.2 +/-    2.43       9.3 +/-    2.43  0.210 / 0.370
G29     331.6          58.8                4.4 +/-    1.07       5.0 +/-    1.07  0.180 / 0.360