PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-22:43:00
G10     248.2          24.8               12.5 +/-    1.98      24.5 +/-    1.98  0.040 / 0.060
G13     56.1           31.3               10.0 +/-    1.00      17.0 +/-    1.00  0.050 / 0.050
G15     98.5           59.2               11.7 +/-    0.52      13.4 +/-    0.52  0.150 / 0.550
G16     296.9          16.1               10.4 +/-    2.38      25.1 +/-    2.38  0.150 / 0.690
G20     252.9          20.4                6.8 +/-    1.24      14.8 +/-    1.24  0.070 / 0.170
G21     329.0          57.4               10.0 +/-    0.69      11.7 +/-    0.69  0.060 / 0.160
G26     268.9          16.8               14.5 +/-    1.80      34.5 +/-    1.80  0.040 / 0.050
G29     164.4          54.5               11.9 +/-    1.10      14.3 +/-    1.10  0.040 / 0.060