PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/16-03:12:50
G08     272.5          20.8               11.3 +/-    3.01      24.4 +/-    3.01  0.030 / 0.020
G10     45.3           61.5                6.6 +/-    1.13       7.4 +/-    1.13  0.030 / 0.020
G11     314.4          14.4                6.9 +/-    1.80      17.5 +/-    1.80  0.090 / 0.180
G14     254.6          63.2               10.1 +/-    1.02      11.1 +/-    1.02  0.080 / 0.170
G18     83.8           41.9                7.2 +/-    1.06      10.1 +/-    1.06  0.160 / 0.170
G21     152.7          21.9                9.1 +/-    3.50      19.2 +/-    3.50  0.190 / 0.160
G24     43.7           16.5                6.8 +/-    1.41      16.3 +/-    1.41  0.030 / 0.030
G27     235.9          20.2               12.2 +/-    2.75      26.7 +/-    2.75  0.040 / 0.030
G31     180.1          22.6               11.9 +/-    2.93      24.5 +/-    2.93  0.250 / 0.360
G32     303.2          75.5                8.1 +/-    0.61       8.3 +/-    0.61  0.310 / 0.180