PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/30-18:42:50
G08     278.9          22.8                8.6 +/-    0.87      17.6 +/-    0.87  0.050 / 0.050
G10     34.5           62.0                7.5 +/-    0.44       8.4 +/-    0.44  0.050 / 0.080
G14     242.6          57.0                9.0 +/-    0.86      10.5 +/-    0.86  0.140 / 0.300
G20     80.7           45.3                7.6 +/-    0.75      10.2 +/-    0.75  0.140 / 0.300
G21     150.9          26.3                8.5 +/-    0.80      16.1 +/-    0.80  0.090 / 0.110
G24     44.3           15.8                6.2 +/-    1.61      15.2 +/-    1.61  0.080 / 0.150
G27     245.3          25.3                9.8 +/-    0.56      19.0 +/-    0.56  0.070 / 0.150
G31     182.9          14.7                9.8 +/-    1.01      24.7 +/-    1.01  0.060 / 0.160
G32     279.0          74.9                9.1 +/-    0.70       9.4 +/-    0.70  0.090 / 0.220