PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/23-19:42:50
G10     268.7          40.6               13.6 +/-    1.43      19.5 +/-    1.43  0.150 / 0.230
G13     40.9           16.3                9.2 +/-    1.67      22.1 +/-    1.67  0.120 / 0.210
G15     57.9           47.9               11.3 +/-    0.82      14.6 +/-    0.82  0.040 / 0.040
G16     277.4          12.3               11.3 +/-    2.44      29.9 +/-    2.44  0.040 / 0.060
G20     302.2          61.5               12.4 +/-    0.61      13.9 +/-    0.61  0.160 / 0.400
G21     4.0            71.9               13.0 +/-    0.73      13.6 +/-    0.73  0.130 / 0.550
G24     121.2          14.7               15.8 +/-    1.52      39.5 +/-    1.52  0.160 / 0.510
G27     318.4          19.4               11.8 +/-    3.12      26.4 +/-    3.12  0.210 / 0.630
G29     167.5          30.8               13.9 +/-    0.62      23.9 +/-    0.62  0.030 / 0.040
G32     204.0          10.4              -11.1 +/-   41.09     -30.7 +/-   41.09  0.030 / 0.050