PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-04:27:50
G01     256.4          39.0                8.5 +/-    1.62      12.6 +/-    1.62  0.040 / 0.040
G03     316.8          37.9                4.7 +/-    1.03       7.1 +/-    1.03  0.050 / 0.050
G11     243.1          14.6                7.9 +/-    2.76      20.0 +/-    2.76  0.040 / 0.070
G14     52.2           45.6                4.6 +/-    0.93       6.1 +/-    0.93  0.040 / 0.080
G18     224.5          31.9                8.8 +/-    1.05      14.8 +/-    1.05  0.070 / 0.080
G22     310.6          59.6                7.3 +/-    0.83       8.3 +/-    0.83  0.070 / 0.090
G25     45.5           13.6                2.6 +/-    0.87       6.7 +/-    0.87  0.070 / 0.170
G26     141.3          33.0                6.7 +/-    1.73      11.0 +/-    1.73  0.070 / 0.140
G31     44.4           63.0                6.2 +/-    0.61       6.9 +/-    0.61  0.080 / 0.120
G32     71.4           27.2                4.0 +/-    0.79       7.5 +/-    0.79  0.070 / 0.100