PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-16:57:40
G01     69.4           32.4                9.5 +/-    0.69      15.9 +/-    0.69  0.050 / 0.130
G07     137.3          25.6               11.1 +/-    0.71      21.3 +/-    0.71  0.050 / 0.130
G11     52.6           30.3                9.6 +/-    0.86      16.7 +/-    0.86  0.050 / 0.070
G13     272.7          38.4               12.8 +/-    0.86      19.2 +/-    0.86  0.050 / 0.060
G15     301.4          15.6                8.6 +/-    1.89      21.0 +/-    1.89  0.060 / 0.130
G17     232.2          68.3               11.1 +/-    1.18      11.9 +/-    1.18  0.070 / 0.140
G18     47.4           17.1                8.2 +/-    1.37      19.5 +/-    1.37  0.060 / 0.090
G19     223.7          43.4               14.2 +/-    1.62      19.6 +/-    1.62  0.050 / 0.090
G28     9.7            60.8                9.7 +/-    0.45      11.0 +/-    0.45  0.040 / 0.040
G30     136.1          57.9               11.6 +/-    0.70      13.4 +/-    0.70  0.030 / 0.030