PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-16:12:50
G01     96.6           29.4                9.7 +/-    1.18      17.2 +/-    1.18  0.040 / 0.060
G07     120.4          45.7               10.2 +/-    1.50      13.6 +/-    1.50  0.040 / 0.050
G08     41.8           13.6                7.5 +/-    2.17      19.4 +/-    2.17  0.060 / 0.070
G11     75.3           42.2                9.2 +/-    0.74      12.9 +/-    0.74  0.050 / 0.090
G13     300.7          34.6                7.8 +/-    1.21      12.5 +/-    1.21  0.050 / 0.060
G17     209.7          45.8               11.3 +/-    0.83      15.1 +/-    0.83  0.040 / 0.050
G18     68.9           24.2                8.7 +/-    1.17      17.3 +/-    1.17  0.080 / 0.140
G19     211.2          22.2               10.1 +/-    1.20      21.1 +/-    1.20  0.080 / 0.140
G28     324.9          60.7                8.3 +/-    0.70       9.4 +/-    0.70  0.050 / 0.060
G30     88.7           76.9                9.9 +/-    0.52      10.2 +/-    0.52  0.040 / 0.060