PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-04:12:40
G01     114.7          20.8                7.4 +/-    1.64      15.9 +/-    1.64  0.030 / 0.040
G07     94.6           61.9                4.8 +/-    0.99       5.4 +/-    0.99  0.030 / 0.040
G08     42.7           24.8                2.9 +/-    1.54       5.8 +/-    1.54  0.040 / 0.040
G09     174.6          19.2                6.8 +/-    2.03      15.4 +/-    2.03  0.040 / 0.030
G11     97.8           41.6                5.8 +/-    0.49       8.2 +/-    0.49  0.040 / 0.100
G13     314.9          23.6                2.6 +/-    1.59       5.2 +/-    1.59  0.040 / 0.110
G17     201.8          32.1                5.7 +/-    1.40       9.5 +/-    1.40  0.070 / 0.190
G28     298.2          58.0                3.6 +/-    0.61       4.2 +/-    0.61  0.070 / 0.200
G30     352.0          71.7                4.0 +/-    0.87       4.2 +/-    0.87  0.040 / 0.060