PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/11-21:43:00
G01     269.3          40.7                9.3 +/-    1.00      13.3 +/-    1.00  0.040 / 0.060
G03     315.9          30.2                7.3 +/-    1.64      12.7 +/-    1.64  0.050 / 0.060
G10     130.4          16.7               10.9 +/-    2.47      26.0 +/-    2.47  0.050 / 0.090
G11     249.9          20.2               10.6 +/-    1.11      23.1 +/-    1.11  0.060 / 0.080
G14     45.0           49.2                7.1 +/-    0.63       9.0 +/-    0.63  0.030 / 0.030
G22     313.9          52.0                6.7 +/-    1.44       8.3 +/-    1.44  0.030 / 0.030
G25     51.0           16.3                6.7 +/-    1.21      16.1 +/-    1.21  0.100 / 0.300
G26     149.2          25.0               12.6 +/-    2.06      24.7 +/-    2.06  0.110 / 0.320
G31     54.7           75.2                8.1 +/-    0.47       8.3 +/-    0.47  0.040 / 0.090
G32     64.6           32.6                6.3 +/-    0.55      10.5 +/-    0.55  0.040 / 0.060