PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-08:13:00
G01     82.6           32.0                5.5 +/-    1.03       9.2 +/-    1.03  0.030 / 0.020
G07     129.3          40.2                6.8 +/-    0.93       9.8 +/-    0.93  0.030 / 0.020
G11     64.7           40.0                5.6 +/-    1.24       8.1 +/-    1.24  0.140 / 0.260
G13     287.8          38.5                3.0 +/-    2.44       4.5 +/-    2.44  0.150 / 0.260
G15     311.5          12.2                1.9 +/-    2.66       5.0 +/-    2.66  0.180 / 0.120
G17     217.0          56.9                6.6 +/-    0.79       7.7 +/-    0.79  0.090 / 0.090
G19     215.7          33.5                5.9 +/-    2.34       9.7 +/-    2.34  0.040 / 0.050
G28     341.5          61.4                4.2 +/-    0.36       4.7 +/-    0.36  0.040 / 0.050
G30     115.6          75.2                6.9 +/-    0.42       7.1 +/-    0.42  0.040 / 0.060