PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-22:27:50
G01     270.3          42.7                9.0 +/-    2.05      12.5 +/-    2.05  0.040 / 0.060
G03     315.4          26.5                6.7 +/-    1.25      12.7 +/-    1.25  0.040 / 0.070
G10     128.4          16.4                9.8 +/-    1.69      23.6 +/-    1.69  0.050 / 0.060
G14     35.7           54.3                8.1 +/-    1.79       9.7 +/-    1.79  0.050 / 0.060
G22     314.4          48.4                7.8 +/-    1.01      10.0 +/-    1.01  0.120 / 0.180
G25     54.9           17.1                8.0 +/-    1.22      18.9 +/-    1.22  0.140 / 0.160
G26     149.0          23.8               10.0 +/-    1.27      20.1 +/-    1.27  0.030 / 0.020
G31     60.8           74.6                8.9 +/-    0.53       9.2 +/-    0.53  0.030 / 0.030
G32     63.0           32.6                7.3 +/-    1.73      12.1 +/-    1.73  0.120 / 0.180