PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-14:57:30
G10     244.5          21.9               10.2 +/-    1.26      21.5 +/-    1.26  0.110 / 0.430
G13     60.8           33.1                6.8 +/-    0.59      11.3 +/-    0.59  0.130 / 0.560
G15     105.2          58.0                9.4 +/-    0.55      10.9 +/-    0.55  0.040 / 0.060
G16     304.1          14.7                3.6 +/-    2.60       9.0 +/-    2.60  0.040 / 0.050
G20     260.6          45.9                9.1 +/-    1.28      12.1 +/-    1.28  0.030 / 0.050
G21     328.7          57.0                6.1 +/-    1.04       7.1 +/-    1.04  0.040 / 0.040
G26     277.4          17.7                8.5 +/-    0.95      19.9 +/-    0.95  0.050 / 0.120
G29     160.9          57.2               10.8 +/-    0.74      12.6 +/-    0.74  0.060 / 0.110