PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/04-20:27:30
G01     297.1          38.7               11.4 +/-    1.48      16.9 +/-    1.48  0.050 / 0.080
G03     310.0          12.6               10.4 +/-    4.44      27.3 +/-    4.44  0.050 / 0.090
G10     115.6          31.9               11.9 +/-    0.66      20.1 +/-    0.66  0.070 / 0.070
G11     268.9          27.2                9.3 +/-    1.51      17.4 +/-    1.51  0.060 / 0.090
G14     17.3           61.5                9.2 +/-    0.42      10.4 +/-    0.42  0.060 / 0.100
G22     312.8          33.5                8.8 +/-    2.59      14.4 +/-    2.59  0.060 / 0.120
G25     66.6           16.6               10.3 +/-    1.70      24.6 +/-    1.70  0.110 / 0.290
G31     160.5          73.4               11.6 +/-    1.40      12.1 +/-    1.40  0.100 / 0.250
G32     45.7           46.0                8.4 +/-    0.77      11.1 +/-    0.77  0.050 / 0.070