PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-15:43:10
G01     87.5           32.4               12.5 +/-    1.61      20.8 +/-    1.61  0.080 / 0.100
G07     127.6          43.7               12.3 +/-    0.65      16.9 +/-    0.65  0.060 / 0.090
G11     65.8           38.7               12.8 +/-    1.48      19.1 +/-    1.48  0.040 / 0.060
G13     291.8          36.7                9.5 +/-    2.31      14.7 +/-    2.31  0.030 / 0.050
G17     216.4          55.1               12.7 +/-    0.78      15.2 +/-    0.78  0.050 / 0.050
G18     61.4           23.3               12.7 +/-    1.25      25.8 +/-    1.25  0.040 / 0.050
G19     215.9          26.7               12.2 +/-    2.00      22.9 +/-    2.00  0.210 / 0.220
G28     353.5          61.6               10.2 +/-    0.38      11.4 +/-    0.38  0.070 / 0.160
G30     110.5          75.0               11.3 +/-    1.03      11.7 +/-    1.03  0.020 / 0.030