PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-07:57:40
G02     203.4          39.1                7.6 +/-    0.68      11.2 +/-    0.68  0.100 / 0.210
G06     151.8          72.0                9.1 +/-    0.61       9.5 +/-    0.61  0.130 / 0.230
G12     309.2          20.2                2.7 +/-    1.56       5.9 +/-    1.56  0.060 / 0.080
G17     38.6           46.8                5.2 +/-    1.24       6.8 +/-    1.24  0.060 / 0.100
G19     11.2           62.5                5.3 +/-    0.64       5.9 +/-    0.64  0.030 / 0.050
G24     295.7          38.2                3.4 +/-    3.59       5.1 +/-    3.59  0.060 / 0.040
G28     100.6          36.8                8.1 +/-    1.04      12.4 +/-    1.04  0.040 / 0.080