PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-16:42:40
G08     313.9          17.1                6.9 +/-    2.29      16.3 +/-    2.29  0.040 / 0.040
G10     319.6          57.9                6.4 +/-    0.69       7.4 +/-    0.69  0.040 / 0.040
G14     214.4          24.5                9.0 +/-    1.79      17.7 +/-    1.79  0.160 / 0.310
G15     45.9           17.8                5.8 +/-    2.34      13.5 +/-    2.34  0.220 / 0.260
G20     23.4           62.9                7.2 +/-    1.61       7.9 +/-    1.61  0.170 / 0.230
G21     126.4          60.7                8.7 +/-    0.51       9.8 +/-    0.51  0.190 / 0.230
G24     77.5           28.3                7.8 +/-    1.52      14.2 +/-    1.52  0.050 / 0.100
G27     287.2          36.6                8.2 +/-    1.20      12.6 +/-    1.20  0.070 / 0.090
G32     217.6          44.4                9.2 +/-    1.08      12.5 +/-    1.08  0.040 / 0.050