PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-07:12:50
G01     46.1           22.0                4.1 +/-    3.35       8.6 +/-    3.35  0.040 / 0.050
G06     175.8          28.4               10.2 +/-    2.48      18.5 +/-    2.48  0.040 / 0.060
G11     44.6           15.7                5.0 +/-    2.14      12.2 +/-    2.14  0.170 / 0.420
G13     245.6          29.4               10.9 +/-    0.98      19.3 +/-    0.98  0.260 / 0.240
G15     278.5          15.4                7.0 +/-    1.54      17.3 +/-    1.54  0.030 / 0.030
G17     329.8          77.9                8.4 +/-    0.44       8.6 +/-    0.44  0.040 / 0.020
G19     252.9          64.8               11.2 +/-    0.37      12.2 +/-    0.37  0.050 / 0.060
G28     45.4           56.8                6.0 +/-    0.54       7.0 +/-    0.54  0.100 / 0.060
G30     152.2          41.6               14.4 +/-    0.62      20.5 +/-    0.62  0.150 / 0.300