PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-16:58:10
G01     78.0           32.8                7.6 +/-    0.64      12.6 +/-    0.64  0.040 / 0.100
G07     133.1          31.9                9.6 +/-    0.85      16.1 +/-    0.85  0.040 / 0.120
G11     58.1           35.0                7.1 +/-    0.58      11.2 +/-    0.58  0.040 / 0.060
G13     282.1          38.7                9.7 +/-    1.37      14.4 +/-    1.37  0.040 / 0.060
G15     307.6          13.9                8.5 +/-    1.91      21.7 +/-    1.91  0.060 / 0.110
G17     222.2          61.7               10.9 +/-    1.01      12.2 +/-    1.01  0.050 / 0.120
G18     53.3           20.4                7.1 +/-    1.16      15.5 +/-    1.16  0.080 / 0.100
G19     218.8          36.7               10.7 +/-    1.20      16.4 +/-    1.20  0.090 / 0.140
G28     356.0          61.5                8.9 +/-    0.52      10.0 +/-    0.52  0.100 / 0.330