PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-03:42:50
G10     255.1          30.1               12.8 +/-    2.23      22.4 +/-    2.23  0.190 / 0.600
G13     49.4           27.0                7.0 +/-    2.43      13.1 +/-    2.43  0.170 / 0.460
G15     77.4           56.4                9.7 +/-    0.56      11.5 +/-    0.56  0.040 / 0.040
G16     289.7          15.2                9.9 +/-    2.65      24.5 +/-    2.65  0.040 / 0.040
G20     287.9          61.6               10.3 +/-    0.99      11.6 +/-    0.99  0.060 / 0.130
G21     339.4          63.3               10.3 +/-    0.55      11.4 +/-    0.55  0.170 / 0.150
G26     261.7          13.5               10.8 +/-    1.19      27.9 +/-    1.19  0.040 / 0.040
G29     166.5          45.0               11.4 +/-    0.66      15.3 +/-    0.66  0.030 / 0.040