PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-14:27:50
G01     86.5           32.5                6.6 +/-    1.13      11.0 +/-    1.13  0.030 / 0.030
G07     128.2          42.8                9.3 +/-    1.19      12.9 +/-    1.19  0.020 / 0.020
G11     64.6           38.0                7.3 +/-    1.37      10.9 +/-    1.37  0.040 / 0.040
G13     290.8          37.0               11.1 +/-    2.35      17.1 +/-    2.35  0.030 / 0.050
G17     216.9          56.9               10.7 +/-    0.98      12.5 +/-    0.98  0.070 / 0.090
G18     60.4           23.0                6.9 +/-    2.28      14.1 +/-    2.28  0.060 / 0.090
G19     216.3          27.0                8.8 +/-    1.43      16.4 +/-    1.43  0.050 / 0.110
G28     354.8          61.5                7.9 +/-    0.48       8.8 +/-    0.48  0.060 / 0.110
G30     112.1          74.8                9.1 +/-    0.84       9.4 +/-    0.84  0.060 / 0.150