PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-06:13:00
G01     108.1          23.4                5.1 +/-    0.99      10.4 +/-    0.99  0.030 / 0.040
G07     101.9          59.9                6.4 +/-    0.46       7.3 +/-    0.46  0.040 / 0.030
G08     42.3           23.6                2.6 +/-    1.04       5.2 +/-    1.04  0.040 / 0.050
G09     173.7          14.9                6.5 +/-    1.68      16.3 +/-    1.68  0.040 / 0.050
G11     96.6           44.4                7.2 +/-    0.59       9.8 +/-    0.59  0.050 / 0.090
G13     311.3          27.9                3.2 +/-    2.00       5.8 +/-    2.00  0.040 / 0.120
G17     203.7          33.8                7.9 +/-    2.36      12.9 +/-    2.36  0.070 / 0.200
G19     207.0          12.2                1.9 +/-   11.34       5.2 +/-   11.34  0.060 / 0.160
G28     297.4          56.1                4.0 +/-    0.92       4.7 +/-    0.92  0.040 / 0.050
G30     358.4          74.9                6.2 +/-    0.57       6.4 +/-    0.57  0.040 / 0.070