PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/16-16:43:00
G10     292.6          51.1                8.2 +/-    2.25      10.2 +/-    2.25  0.070 / 0.090
G15     46.5           29.5                6.6 +/-    1.26      11.6 +/-    1.26  0.070 / 0.080
G20     348.4          65.4                7.6 +/-    0.46       8.2 +/-    0.46  0.040 / 0.040
G21     79.3           76.0                8.3 +/-    0.67       8.5 +/-    0.67  0.040 / 0.040
G24     104.4          24.7                9.4 +/-    1.67      18.4 +/-    1.67  0.220 / 0.250
G27     305.4          32.3                6.5 +/-    2.86      10.8 +/-    2.86  0.230 / 0.250
G29     168.2          12.8                8.5 +/-    1.57      22.2 +/-    1.57  0.080 / 0.100
G32     207.9          28.8               10.7 +/-    1.80      19.2 +/-    1.80  0.140 / 0.110