PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-04:57:50
G01     110.2          22.0                8.6 +/-    0.98      18.1 +/-    0.98  0.070 / 0.120
G07     97.0           62.0                9.6 +/-    0.84      10.7 +/-    0.84  0.060 / 0.100
G08     42.6           25.0                5.0 +/-    1.52       9.8 +/-    1.52  0.030 / 0.030
G09     173.6          16.5                7.4 +/-    1.17      17.7 +/-    1.17  0.040 / 0.030
G11     100.8          44.1                9.1 +/-    0.61      12.4 +/-    0.61  0.040 / 0.070
G13     313.0          26.3                5.5 +/-    4.09      10.4 +/-    4.09  0.050 / 0.070
G17     202.7          31.8                9.0 +/-    1.56      15.2 +/-    1.56  0.040 / 0.070
G28     292.8          54.9                7.1 +/-    0.95       8.5 +/-    0.95  0.050 / 0.070
G30     351.1          72.5                7.3 +/-    0.57       7.6 +/-    0.57  0.030 / 0.050