PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/18-03:12:50
G08     278.9          20.6               12.5 +/-    2.82      27.1 +/-    2.82  0.100 / 0.150
G10     47.1           60.1                8.4 +/-    0.87       9.5 +/-    0.87  0.090 / 0.200
G14     249.3          60.1                9.0 +/-    0.62      10.3 +/-    0.62  0.080 / 0.150
G18     315.9          25.4                7.1 +/-    1.44      13.7 +/-    1.44  0.080 / 0.160
G20     86.6           42.4                9.2 +/-    1.43      12.8 +/-    1.43  0.030 / 0.040
G21     153.5          24.2                9.1 +/-    1.16      18.0 +/-    1.16  0.030 / 0.030
G24     44.0           16.1                6.0 +/-    2.18      14.6 +/-    2.18  0.040 / 0.060
G27     238.9          22.0               11.9 +/-    2.17      25.0 +/-    2.17  0.040 / 0.060
G31     179.0          22.9                9.7 +/-    1.75      19.9 +/-    1.75  0.110 / 0.180
G32     297.9          75.9                8.6 +/-    0.67       8.8 +/-    0.67  0.160 / 0.180