PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-21:27:50
G01     253.5          36.8               11.5 +/-    2.30      17.6 +/-    2.30  0.050 / 0.080
G03     316.4          41.2                9.9 +/-    1.14      14.1 +/-    1.14  0.050 / 0.080
G11     237.6          12.9                9.8 +/-    3.19      25.7 +/-    3.19  0.050 / 0.120
G14     58.2           41.7                9.3 +/-    1.65      13.2 +/-    1.65  0.050 / 0.090
G16     164.3          15.8               11.9 +/-    2.23      29.1 +/-    2.23  0.040 / 0.040
G22     307.3          63.5                9.1 +/-    0.95      10.0 +/-    0.95  0.040 / 0.050
G23     284.2          16.3               10.2 +/-    1.28      24.5 +/-    1.28  0.290 / 0.530
G26     140.6          35.4               15.2 +/-    0.74      23.9 +/-    0.74  0.210 / 0.560
G31     41.6           64.4               10.3 +/-    0.54      11.3 +/-    0.54  0.090 / 0.190
G32     75.0           24.8               10.9 +/-    1.47      21.4 +/-    1.47  0.190 / 0.220