PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/16-22:27:30
G10     273.5          43.0                9.9 +/-    1.05      13.7 +/-    1.05  0.130 / 0.140
G13     39.3           13.1                6.2 +/-    2.00      16.1 +/-    2.00  0.080 / 0.150
G15     54.3           44.8                8.2 +/-    0.75      11.1 +/-    0.75  0.080 / 0.140
G16     274.1          10.7                8.8 +/-    1.42      24.2 +/-    1.42  0.140 / 0.130
G20     309.1          62.4                7.4 +/-    0.68       8.3 +/-    0.68  0.040 / 0.040
G21     15.4           74.3                8.4 +/-    0.54       8.7 +/-    0.54  0.050 / 0.040
G24     117.1          17.2               10.0 +/-    1.80      23.6 +/-    1.80  0.160 / 0.440
G27     316.4          22.5                8.0 +/-    1.65      16.5 +/-    1.65  0.120 / 0.240
G29     167.6          25.8                8.8 +/-    1.00      17.0 +/-    1.00  0.130 / 0.450
G32     204.9          13.5               12.5 +/-    3.12      32.2 +/-    3.12  0.120 / 0.480