PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/17-16:12:40
G08     314.4          16.8                5.9 +/-    2.66      13.9 +/-    2.66  0.040 / 0.050
G10     318.6          57.7                5.7 +/-    0.66       6.6 +/-    0.66  0.040 / 0.040
G14     214.1          24.0                9.4 +/-    1.28      18.8 +/-    1.28  0.040 / 0.030
G15     45.8           18.0                4.0 +/-    1.17       9.3 +/-    1.17  0.040 / 0.040
G20     22.2           63.0                5.3 +/-    0.36       5.9 +/-    0.36  0.120 / 0.200
G21     125.7          60.9                6.8 +/-    0.38       7.7 +/-    0.38  0.120 / 0.300
G24     78.5           28.3                5.0 +/-    0.74       9.1 +/-    0.74  0.070 / 0.110
G27     288.1          36.5                5.5 +/-    1.61       8.5 +/-    1.61  0.050 / 0.120
G32     217.2          43.6                8.5 +/-    0.91      11.7 +/-    0.91  0.060 / 0.080