PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/04-21:58:10
G01     277.3          41.3               17.0 +/-    1.81      24.3 +/-    1.81  0.040 / 0.060
G03     314.8          25.0               14.5 +/-    1.72      28.3 +/-    1.72  0.040 / 0.050
G10     126.9          21.4               18.0 +/-    1.04      38.4 +/-    1.04  0.020 / 0.020
G11     255.2          22.8               16.4 +/-    5.31      33.7 +/-    5.31  0.020 / 0.020
G14     38.3           52.5               15.4 +/-    1.80      18.9 +/-    1.80  0.070 / 0.130
G22     314.5          46.6               15.4 +/-    0.45      20.3 +/-    0.45  0.090 / 0.210
G25     56.3           17.7               13.9 +/-    2.11      32.3 +/-    2.11  0.050 / 0.050
G26     152.9          20.1               20.1 +/-    1.69      44.2 +/-    1.69  0.040 / 0.050
G31     77.6           80.0               16.4 +/-    0.47      16.6 +/-    0.47  0.070 / 0.060
G32     59.3           36.5               14.1 +/-    1.37      21.8 +/-    1.37  0.050 / 0.070