PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-06:28:00
G01     52.0           26.2                3.0 +/-    1.94       5.7 +/-    1.94  0.040 / 0.050
G06     177.5          21.0                5.8 +/-    2.05      12.6 +/-    2.05  0.040 / 0.040
G07     144.4          16.4                6.3 +/-    1.73      15.2 +/-    1.73  0.090 / 0.250
G11     46.6           22.1                2.4 +/-    3.13       5.1 +/-    3.13  0.150 / 0.350
G13     253.4          33.5                7.3 +/-    1.28      11.9 +/-    1.28  0.040 / 0.050
G15     285.4          16.7                4.3 +/-    1.29      10.1 +/-    1.29  0.040 / 0.050
G17     289.8          79.5                6.7 +/-    0.54       6.9 +/-    0.54  0.030 / 0.020
G19     239.9          58.8                6.2 +/-    2.20       7.1 +/-    2.20  0.030 / 0.020
G28     32.1           59.0                3.1 +/-    1.12       3.5 +/-    1.12  0.160 / 0.320
G30     148.8          49.6                8.1 +/-    0.67      10.3 +/-    0.67  0.170 / 0.180