PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-01:43:10
G08     294.0          23.3                8.3 +/-    1.21      16.9 +/-    1.21  0.050 / 0.110
G10     3.9            62.9                7.4 +/-    1.02       8.2 +/-    1.02  0.060 / 0.110
G14     228.2          43.4               12.4 +/-    1.84      17.1 +/-    1.84  0.040 / 0.080
G20     358.5          65.7               25.1 +/-    1.02      27.3 +/-    1.02  0.040 / 0.070
G21     145.8          43.3               10.4 +/-    0.61      14.4 +/-    0.61  0.030 / 0.020
G24     56.4           25.3                9.0 +/-    2.69      17.5 +/-    2.69  0.030 / 0.020
G27     256.6          32.6               10.4 +/-    2.72      17.2 +/-    2.72  0.090 / 0.120
G32     244.0          68.3                9.3 +/-    0.52       9.9 +/-    0.52  0.190 / 0.100