PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-10:27:50
G02     200.6          21.1                6.9 +/-    1.74      14.7 +/-    1.74  0.130 / 0.200
G06     168.0          55.8                7.6 +/-    0.93       9.0 +/-    0.93  0.180 / 0.240
G13     224.9          12.6                4.2 +/-    6.12      11.0 +/-    6.12  0.030 / 0.030
G17     21.6           59.8                5.3 +/-    0.44       6.1 +/-    0.44  0.030 / 0.040
G19     333.2          71.1                5.2 +/-    0.73       5.5 +/-    0.73  0.090 / 0.140
G24     309.8          29.0                2.6 +/-    2.26       4.7 +/-    2.26  0.080 / 0.160
G28     83.5           45.3                5.9 +/-    0.64       7.9 +/-    0.64  0.120 / 0.620
G30     158.0          15.5                5.1 +/-    3.27      12.6 +/-    3.27  0.110 / 0.560