PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/30-14:27:50
G01     105.7          25.4                8.5 +/-    1.30      16.4 +/-    1.30  0.030 / 0.040
G07     110.0          53.6                9.6 +/-    0.46      11.6 +/-    0.46  0.030 / 0.040
G08     42.0           21.8                6.6 +/-    1.49      13.9 +/-    1.49  0.040 / 0.100
G09     175.3          14.5               10.5 +/-    1.96      26.5 +/-    1.96  0.040 / 0.090
G11     87.8           43.5                9.2 +/-    0.70      12.7 +/-    0.70  0.080 / 0.130
G13     308.8          29.9                9.4 +/-    1.78      16.5 +/-    1.78  0.070 / 0.150
G17     205.7          35.9               10.6 +/-    1.94      16.5 +/-    1.94  0.040 / 0.050
G18     78.7           24.1                7.8 +/-    0.73      15.6 +/-    0.73  0.040 / 0.090
G28     307.4          58.6                8.8 +/-    0.61      10.1 +/-    0.61  0.040 / 0.070
G30     36.8           78.6                8.5 +/-    0.86       8.7 +/-    0.86  0.040 / 0.100