PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-15:43:10
G01     67.2           32.0                8.8 +/-    0.66      14.9 +/-    0.66  0.050 / 0.120
G07     138.2          24.7               10.6 +/-    0.78      20.9 +/-    0.78  0.050 / 0.160
G11     51.6           29.4                7.4 +/-    0.88      13.2 +/-    0.88  0.050 / 0.060
G13     270.4          38.1               11.0 +/-    1.24      16.5 +/-    1.24  0.040 / 0.050
G15     300.1          15.8                6.1 +/-    1.61      14.9 +/-    1.61  0.070 / 0.140
G17     234.9          68.9               11.3 +/-    0.42      12.0 +/-    0.42  0.070 / 0.200
G18     46.2           16.4                6.2 +/-    1.26      15.0 +/-    1.26  0.040 / 0.090
G19     225.1          45.3                9.4 +/-    0.86      12.6 +/-    0.86  0.040 / 0.100
G28     12.3           60.6                8.2 +/-    0.51       9.3 +/-    0.51  0.030 / 0.050
G30     137.8          57.3               10.4 +/-    0.56      12.1 +/-    0.56  0.030 / 0.050