PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-16:12:50
G01     58.8           29.7                7.3 +/-    0.67      12.8 +/-    0.67  0.070 / 0.220
G07     141.8          17.6               10.0 +/-    1.98      23.4 +/-    1.98  0.090 / 0.240
G11     47.6           23.4                5.9 +/-    0.84      12.0 +/-    0.84  0.040 / 0.060
G13     260.7          35.9                9.7 +/-    1.36      15.1 +/-    1.36  0.050 / 0.060
G15     292.8          16.5                6.8 +/-    1.31      16.3 +/-    1.31  0.070 / 0.170
G17     255.0          75.1                9.3 +/-    0.41       9.6 +/-    0.41  0.070 / 0.200
G18     41.1           11.8                6.3 +/-    1.28      17.0 +/-    1.28  0.080 / 0.120
G19     232.5          52.4               11.4 +/-    1.27      14.0 +/-    1.27  0.080 / 0.110
G28     26.7           59.1                8.7 +/-    0.48      10.0 +/-    0.48  0.020 / 0.030
G30     143.7          49.4               10.2 +/-    0.93      12.9 +/-    0.93  0.020 / 0.040