PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-05:43:10
G01     64.9           31.0                6.4 +/-    0.60      10.9 +/-    0.60  0.040 / 0.030
G07     138.7          28.2                7.6 +/-    1.05      13.9 +/-    1.05  0.030 / 0.040
G11     52.9           32.2                4.2 +/-    1.12       7.0 +/-    1.12  0.090 / 0.200
G13     268.8          38.2                7.5 +/-    1.15      11.3 +/-    1.15  0.070 / 0.210
G15     297.4          16.8                2.9 +/-    2.08       6.9 +/-    2.08  0.060 / 0.120
G17     237.8          72.3                8.7 +/-    0.65       9.1 +/-    0.65  0.070 / 0.110
G19     225.6          47.3                7.7 +/-    1.85      10.0 +/-    1.85  0.040 / 0.060
G28     8.0            61.1                3.5 +/-    0.44       3.9 +/-    0.44  0.040 / 0.050
G30     139.5          62.8               10.2 +/-    1.38      11.3 +/-    1.38  0.060 / 0.070