PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-00:42:50
G05     50.7           12.0                8.1 +/-    1.77      21.6 +/-    1.77  0.150 / 0.310
G10     239.4          17.7               13.0 +/-    1.61      30.3 +/-    1.61  0.100 / 0.260
G13     68.3           34.6                9.5 +/-    0.70      15.2 +/-    0.70  0.100 / 0.260
G15     113.8          55.3               12.1 +/-    0.32      14.4 +/-    0.32  0.100 / 0.300
G16     310.8          13.3                9.1 +/-    1.61      23.5 +/-    1.61  0.070 / 0.130
G20     253.3          40.7               13.4 +/-    1.27      19.2 +/-    1.27  0.070 / 0.140
G26     283.2          19.3               10.0 +/-    1.80      22.4 +/-    1.80  0.030 / 0.050
G29     156.1          64.9               11.1 +/-    1.12      12.1 +/-    1.12  0.030 / 0.050