PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-18:13:10
G05     47.9           21.3                7.3 +/-    1.13      15.6 +/-    1.13  0.190 / 0.360
G10     235.5          12.0               15.1 +/-    2.79      40.4 +/-    2.79  0.240 / 0.430
G13     76.7           36.2               11.0 +/-    0.52      17.0 +/-    0.52  0.050 / 0.080
G15     132.7          50.9               15.0 +/-    0.38      18.7 +/-    0.38  0.040 / 0.070
G16     314.7          12.2                9.6 +/-    1.18      25.6 +/-    1.18  0.080 / 0.130
G20     247.2          36.1               14.5 +/-    1.10      22.5 +/-    1.10  0.070 / 0.140
G21     312.8          46.7               10.8 +/-    1.01      14.2 +/-    1.01  0.180 / 0.510
G25     197.5          10.3               17.1 +/-    4.28      47.4 +/-    4.28  0.120 / 0.470
G26     288.7          20.3               11.4 +/-    1.72      24.9 +/-    1.72  0.060 / 0.150
G29     154.1          73.9               10.0 +/-    0.63      10.3 +/-    0.63  0.060 / 0.150