PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/30-16:27:50
G01     109.1          23.7               10.0 +/-    1.80      20.2 +/-    1.80  0.040 / 0.070
G07     106.3          54.9               10.8 +/-    0.67      12.9 +/-    0.67  0.050 / 0.060
G08     42.3           23.3                8.3 +/-    0.94      16.9 +/-    0.94  0.040 / 0.050
G09     176.1          17.6                9.3 +/-    1.78      21.6 +/-    1.78  0.030 / 0.060
G11     91.7           43.1               10.7 +/-    0.46      14.8 +/-    0.46  0.110 / 0.260
G13     311.2          27.8                9.0 +/-    1.68      16.6 +/-    1.68  0.110 / 0.220
G17     204.2          34.0               11.5 +/-    0.81      18.6 +/-    0.81  0.080 / 0.180
G18     81.7           23.5                9.1 +/-    0.98      18.3 +/-    0.98  0.070 / 0.200
G28     302.6          58.0                8.8 +/-    0.86      10.2 +/-    0.86  0.060 / 0.190
G30     27.2           77.5               10.4 +/-    0.76      10.7 +/-    0.76  0.060 / 0.180