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                7.5 +/-    0.98      13.3 +/-    0.98  0.040 / 0.070
G07     120.4          45.7                9.3 +/-    1.05      12.4 +/-    1.05  0.040 / 0.080
G08     41.8           13.6                5.4 +/-    1.00      13.8 +/-    1.00  0.050 / 0.070
G11     75.3           42.2                8.4 +/-    0.94      11.8 +/-    0.94  0.050 / 0.060
G13     300.7          34.6                9.0 +/-    1.75      14.3 +/-    1.75  0.050 / 0.080
G17     209.7          45.8               10.5 +/-    2.01      14.0 +/-    2.01  0.040 / 0.090
G18     68.9           24.2                8.0 +/-    1.12      15.9 +/-    1.12  0.090 / 0.150
G19     211.2          22.2               10.1 +/-    1.41      21.1 +/-    1.41  0.080 / 0.120
G28     324.9          60.7                7.8 +/-    0.71       8.8 +/-    0.71  0.060 / 0.070
G30     88.7           76.9                8.8 +/-    0.64       9.0 +/-    0.64  0.060 / 0.070