PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-05:27:50
G01     64.7           31.0                4.6 +/-    0.76       8.0 +/-    0.76  0.030 / 0.030
G07     138.8          28.1                7.5 +/-    1.24      13.7 +/-    1.24  0.030 / 0.020
G11     52.9           32.2                3.6 +/-    2.00       6.0 +/-    2.00  0.140 / 0.240
G13     268.6          38.2                6.6 +/-    3.14       9.9 +/-    3.14  0.110 / 0.230
G15     297.1          16.9                4.5 +/-    1.92      10.6 +/-    1.92  0.050 / 0.040
G17     238.2          72.6                6.9 +/-    0.43       7.2 +/-    0.43  0.040 / 0.060
G19     225.7          47.5                7.1 +/-    1.81       9.2 +/-    1.81  0.030 / 0.030
G28     8.2            61.1                5.4 +/-    1.77       6.0 +/-    1.77  0.030 / 0.030
G30     139.7          62.8                6.7 +/-    0.36       7.5 +/-    0.36  0.100 / 0.090