PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-21:58:10
G01     246.4          35.3               11.3 +/-    2.09      17.8 +/-    2.09  0.030 / 0.050
G03     316.3          43.4                7.2 +/-    1.59      10.0 +/-    1.59  0.040 / 0.050
G11     239.6          10.7                0.5 +/-   25.69       1.3 +/-   25.69  0.050 / 0.090
G14     56.9           44.2                8.3 +/-    1.14      11.4 +/-    1.14  0.050 / 0.080
G22     303.8          65.5                7.7 +/-    0.90       8.4 +/-    0.90  0.050 / 0.070
G23     287.5          20.1               11.3 +/-    1.63      24.9 +/-    1.63  0.060 / 0.050
G25     39.7           9.4                 1.8 +/-    5.64       5.0 +/-    5.64  0.080 / 0.580
G26     135.2          39.0               10.2 +/-    0.63      15.1 +/-    0.63  0.080 / 0.320
G31     41.6           57.0                7.8 +/-    0.64       9.1 +/-    0.64  0.120 / 0.200
G32     78.5           20.9                7.1 +/-    2.45      15.4 +/-    2.45  0.130 / 0.210