PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-23:27:40
G10     261.5          34.9               11.9 +/-    1.59      18.9 +/-    1.59  0.110 / 0.330
G13     44.6           22.1                8.4 +/-    0.94      17.5 +/-    0.94  0.140 / 0.320
G15     69.1           55.1               10.2 +/-    0.28      12.2 +/-    0.28  0.100 / 0.380
G16     282.4          14.0               10.3 +/-    1.55      26.2 +/-    1.55  0.110 / 0.370
G20     265.8          31.8                8.8 +/-    1.05      14.9 +/-    1.05  0.120 / 0.350
G21     349.1          67.8                9.3 +/-    0.97      10.0 +/-    0.97  0.110 / 0.290
G24     123.2          11.3               11.5 +/-    1.88      31.1 +/-    1.88  0.050 / 0.070
G26     255.6          10.3               11.8 +/-    2.19      32.6 +/-    2.19  0.060 / 0.110
G27     320.8          14.4                7.5 +/-    2.70      18.9 +/-    2.70  0.050 / 0.050
G29     167.7          38.0               12.8 +/-    0.67      19.2 +/-    0.67  0.050 / 0.040