PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-04:13:10
G10     261.3          34.5                8.4 +/-    0.90      13.5 +/-    0.90  0.110 / 0.310
G13     44.9           22.5                5.8 +/-    1.21      12.1 +/-    1.21  0.100 / 0.260
G15     66.4           53.0                7.6 +/-    0.50       9.3 +/-    0.50  0.040 / 0.050
G16     283.3          13.8                7.8 +/-    1.58      19.9 +/-    1.58  0.040 / 0.060
G20     307.1          65.8                6.3 +/-    0.52       6.8 +/-    0.52  0.070 / 0.210
G21     349.8          67.9                5.6 +/-    0.84       6.0 +/-    0.84  0.080 / 0.270
G24     124.4          11.0                1.0 +/-   31.45       2.8 +/-   31.45  0.090 / 0.200
G26     256.0          10.4                7.6 +/-    1.91      21.0 +/-    1.91  0.120 / 0.300
G27     320.7          14.7                5.6 +/-    3.18      14.1 +/-    3.18  0.110 / 0.090
G29     167.6          37.7                9.4 +/-    0.92      14.2 +/-    0.92  0.080 / 0.110