PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/04-22:43:00
G01     251.3          35.3               14.3 +/-    1.80      22.5 +/-    1.80  0.030 / 0.030
G03     315.9          43.1               11.2 +/-    1.14      15.5 +/-    1.14  0.040 / 0.040
G11     237.6          12.9               13.7 +/-    1.48      35.8 +/-    1.48  0.020 / 0.030
G14     60.5           40.6               10.1 +/-    1.65      14.6 +/-    1.65  0.030 / 0.030
G22     305.5          65.1               12.3 +/-    0.74      13.4 +/-    0.74  0.060 / 0.310
G23     286.1          18.4               13.6 +/-    1.70      31.2 +/-    1.70  0.060 / 0.310
G25     39.6           10.0                8.3 +/-    2.30      23.2 +/-    2.30  0.060 / 0.090
G26     139.3          37.0               16.2 +/-    0.60      24.8 +/-    0.60  0.060 / 0.060
G31     40.3           61.3               10.4 +/-    0.58      11.7 +/-    0.58  0.070 / 0.090
G32     76.7           24.0               11.9 +/-    1.85      23.8 +/-    1.85  0.060 / 0.080