PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-15:12:50
G01     122.6          14.3                9.6 +/-    2.03      24.4 +/-    2.03  0.090 / 0.090
G07     77.2           64.9                9.4 +/-    0.46      10.3 +/-    0.46  0.080 / 0.080
G08     47.9           36.8                6.9 +/-    1.02      10.6 +/-    1.02  0.050 / 0.100
G09     178.3          32.7                8.6 +/-    1.06      14.3 +/-    1.06  0.050 / 0.120
G11     112.4          38.5               10.3 +/-    0.99      15.4 +/-    0.99  0.030 / 0.030
G13     319.4          16.3                7.6 +/-    4.52      18.3 +/-    4.52  0.030 / 0.030
G17     200.4          18.1                8.8 +/-    2.32      20.3 +/-    2.32  0.160 / 0.430
G18     97.9           18.7                8.2 +/-    1.38      18.7 +/-    1.38  0.150 / 0.370
G28     276.9          51.2               10.5 +/-    2.68      13.1 +/-    2.68  0.200 / 0.310
G30     344.7          67.1                9.1 +/-    0.74       9.8 +/-    0.74  0.210 / 0.300