PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/12-01:28:10
G10     260.7          34.3               12.2 +/-    1.99      19.6 +/-    1.99  0.100 / 0.220
G13     45.2           22.8                9.9 +/-    2.25      20.3 +/-    2.25  0.110 / 0.210
G15     69.0           54.6               10.8 +/-    0.73      13.0 +/-    0.73  0.040 / 0.030
G16     283.4          14.1               10.0 +/-    0.63      25.4 +/-    0.63  0.040 / 0.040
G20     274.9          47.0               14.8 +/-    2.00      19.4 +/-    2.00  0.170 / 0.340
G21     348.1          67.4               11.9 +/-    0.82      12.8 +/-    0.82  0.260 / 0.300
G24     124.3          10.8                6.2 +/-   32.21      16.9 +/-   32.21  0.090 / 0.280
G26     256.4          10.7               11.7 +/-    6.84      32.3 +/-    6.84  0.110 / 0.180
G27     321.0          14.0                7.9 +/-    2.25      20.0 +/-    2.25  0.110 / 0.290
G29     167.6          38.7               12.6 +/-    1.33      18.7 +/-    1.33  0.140 / 0.350