PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-17:12:40
G01     70.2           32.5                8.3 +/-    1.40      13.8 +/-    1.40  0.040 / 0.060
G07     136.9          26.1                9.2 +/-    1.15      17.5 +/-    1.15  0.050 / 0.060
G11     53.0           30.7                7.8 +/-    1.45      13.4 +/-    1.45  0.070 / 0.130
G13     273.6          38.4                8.9 +/-    1.36      13.3 +/-    1.36  0.110 / 0.130
G15     302.0          15.5                7.5 +/-    1.23      18.4 +/-    1.23  0.050 / 0.130
G17     231.2          67.9                9.4 +/-    0.60      10.1 +/-    0.60  0.060 / 0.130
G18     47.9           17.4                7.7 +/-    2.02      17.9 +/-    2.02  0.100 / 0.100
G19     223.2          42.8               10.5 +/-    1.67      14.6 +/-    1.67  0.120 / 0.110
G28     8.7            60.9                8.6 +/-    1.07       9.7 +/-    1.07  0.040 / 0.040