PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-23:12:40
G10     260.3          34.1               12.2 +/-    2.50      19.7 +/-    2.50  0.120 / 0.270
G13     45.4           23.0                9.0 +/-    1.80      18.5 +/-    1.80  0.110 / 0.290
G15     71.2           55.9               11.3 +/-    0.57      13.3 +/-    0.57  0.040 / 0.040
G16     283.5          14.3               10.8 +/-    1.09      27.4 +/-    1.09  0.040 / 0.040
G20     264.0          29.4                7.4 +/-    1.99      13.1 +/-    1.99  0.230 / 0.290
G21     347.0          66.9               11.0 +/-    0.44      11.8 +/-    0.44  0.140 / 0.300
G24     124.1          10.6                8.9 +/-   28.77      24.5 +/-   28.77  0.110 / 0.310
G26     256.7          10.9               14.8 +/-    2.20      40.5 +/-    2.20  0.180 / 0.440
G27     321.2          13.4                7.1 +/-    3.18      18.2 +/-    3.18  0.040 / 0.060
G29     167.5          39.4               11.9 +/-    1.23      17.5 +/-    1.23  0.040 / 0.070