PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/13-01:43:00
G10     269.2          39.5               11.8 +/-    1.14      17.3 +/-    1.14  0.110 / 0.230
G13     41.0           16.7                8.6 +/-    2.13      20.6 +/-    2.13  0.300 / 0.220
G15     58.5           49.1                9.9 +/-    0.73      12.6 +/-    0.73  0.040 / 0.040
G16     275.8          11.5                9.4 +/-    2.90      25.3 +/-    2.90  0.040 / 0.030
G20     285.1          51.4               14.1 +/-    0.86      17.5 +/-    0.86  0.160 / 0.220
G21     5.2            72.7               11.0 +/-    1.00      11.5 +/-    1.00  0.140 / 0.280
G24     117.6          15.5               12.1 +/-    1.33      29.7 +/-    1.33  0.120 / 0.290
G27     317.7          20.4                8.5 +/-    2.30      18.4 +/-    2.30  0.160 / 0.250
G29     168.6          30.0               11.8 +/-    1.28      20.7 +/-    1.28  0.210 / 0.520
G32     204.1          12.6               15.5 +/-    3.27      40.7 +/-    3.27  0.150 / 0.380