PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-22:57:30
G13     41.3           16.9                8.0 +/-    2.46      19.0 +/-    2.46  0.130 / 0.170
G15     58.6           48.5                7.7 +/-    1.07       9.9 +/-    1.07  0.140 / 0.170
G16     278.9          12.4                9.6 +/-    1.85      25.5 +/-    1.85  0.040 / 0.050
G20     298.6          60.3                9.2 +/-    0.94      10.5 +/-    0.94  0.040 / 0.050
G21     2.1            71.5                9.9 +/-    0.52      10.4 +/-    0.52  0.290 / 0.280
G24     121.2          14.4               12.8 +/-    2.34      32.4 +/-    2.34  0.150 / 0.260
G27     318.9          18.6                8.7 +/-    1.76      19.7 +/-    1.76  0.030 / 0.040
G29     167.0          30.7               11.8 +/-    1.74      20.4 +/-    1.74  0.030 / 0.030