PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/22-03:43:10
G05     48.3           17.6                4.6 +/-    1.17      10.8 +/-    1.17  0.040 / 0.090
G13     79.1           36.6                7.3 +/-    0.65      11.2 +/-    0.65  0.040 / 0.080
G15     128.0          50.7               11.0 +/-    0.76      13.7 +/-    0.76  0.130 / 0.350
G16     315.5          12.0                9.5 +/-    2.41      25.3 +/-    2.41  0.140 / 0.370
G20     252.3          52.2               11.0 +/-    0.59      13.5 +/-    0.59  0.070 / 0.140
G21     310.5          45.0                9.4 +/-    1.31      12.7 +/-    1.31  0.070 / 0.120
G25     201.2          13.0                9.1 +/-    3.63      23.6 +/-    3.63  0.130 / 0.380
G26     288.5          21.0               10.3 +/-    1.73      22.0 +/-    1.73  0.110 / 0.420
G29     154.0          75.9               11.0 +/-    1.15      11.3 +/-    1.15  0.080 / 0.140