PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-06:27:50
G01     320.0          16.2               -1.4 +/-   28.76      -3.4 +/-   28.76  0.180 / 0.330
G08     261.6          15.0                7.6 +/-    0.86      19.0 +/-    0.86  0.200 / 0.300
G10     75.6           53.6                5.1 +/-    0.48       6.2 +/-    0.48  0.050 / 0.030
G11     305.7          21.6                4.8 +/-    1.62      10.2 +/-    1.62  0.050 / 0.030
G14     286.7          70.1                6.5 +/-    0.65       6.9 +/-    0.65  0.210 / 0.310
G18     306.9          39.2                4.6 +/-    1.95       6.8 +/-    1.95  0.210 / 0.260
G20     102.7          31.4                4.3 +/-    1.15       7.4 +/-    1.15  0.040 / 0.040
G27     227.1          11.4                7.1 +/-    1.12      19.2 +/-    1.12  0.040 / 0.060
G31     176.0          38.9                7.5 +/-    0.69      11.0 +/-    0.69  0.130 / 0.270
G32     352.5          71.1                5.1 +/-    0.66       5.3 +/-    0.66  0.120 / 0.230