PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/01-22:43:00
G01     70.4           32.9               12.0 +/-    1.12      19.8 +/-    1.12  0.110 / 0.250
G07     137.6          31.2               15.5 +/-    1.34      26.5 +/-    1.34  0.100 / 0.220
G11     54.9           32.3               10.9 +/-    1.59      18.2 +/-    1.59  0.050 / 0.060
G13     274.6          37.3               13.3 +/-    2.27      20.2 +/-    2.27  0.060 / 0.070
G15     301.9          15.6                9.3 +/-    1.97      22.7 +/-    1.97  0.030 / 0.030
G17     232.6          65.3               15.2 +/-    0.92      16.5 +/-    0.92  0.030 / 0.040
G18     49.3           18.4               11.6 +/-    2.85      26.6 +/-    2.85  0.120 / 0.140
G19     224.5          41.9               15.3 +/-    2.37      21.5 +/-    2.37  0.090 / 0.230
G28     21.0           59.0               11.6 +/-    2.60      13.2 +/-    2.60  0.050 / 0.090
G30     135.6          58.9               15.7 +/-    0.94      18.0 +/-    0.94  0.050 / 0.080