PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-16:43:10
G01     74.9           32.8               10.9 +/-    0.52      18.0 +/-    0.52  0.040 / 0.110
G07     134.6          29.8               11.3 +/-    1.01      19.8 +/-    1.01  0.050 / 0.130
G11     56.0           33.5                9.6 +/-    0.89      15.6 +/-    0.89  0.040 / 0.050
G13     278.8          38.7               11.5 +/-    1.10      17.0 +/-    1.10  0.040 / 0.060
G15     305.5          14.6                8.1 +/-    2.27      20.4 +/-    2.27  0.050 / 0.120
G17     225.2          63.9               14.3 +/-    0.74      15.7 +/-    0.74  0.050 / 0.110
G18     51.2           19.4               10.2 +/-    0.96      22.7 +/-    0.96  0.070 / 0.110
G19     220.4          39.1               13.7 +/-    0.83      20.3 +/-    0.83  0.070 / 0.140
G28     0.8            61.3               10.1 +/-    0.43      11.4 +/-    0.43  0.040 / 0.050
G30     131.2          62.4               12.6 +/-    0.87      14.0 +/-    0.87  0.030 / 0.050