PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/14-00:28:10
G10     264.3          37.8               13.1 +/-    2.63      19.8 +/-    2.63  0.140 / 0.270
G13     42.9           19.4                8.9 +/-    2.08      19.9 +/-    2.08  0.200 / 0.180
G15     61.8           50.3               10.5 +/-    1.02      13.2 +/-    1.02  0.080 / 0.120
G16     282.6          13.2                8.7 +/-    2.36      22.6 +/-    2.36  0.100 / 0.130
G20     292.1          58.6               11.6 +/-    1.36      13.3 +/-    1.36  0.050 / 0.040
G21     355.6          69.5               11.1 +/-    0.74      11.8 +/-    0.74  0.040 / 0.050
G24     123.5          12.5               12.9 +/-    2.90      34.0 +/-    2.90  0.110 / 0.240
G27     320.2          15.9                8.2 +/-    1.56      19.9 +/-    1.56  0.110 / 0.300
G29     166.3          33.5               13.6 +/-    1.15      22.2 +/-    1.15  0.040 / 0.040