PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-17:28:00
G10     270.9          41.9               12.6 +/-    1.84      17.8 +/-    1.84  0.130 / 0.240
G13     40.1           14.8               10.9 +/-    2.61      27.3 +/-    2.61  0.100 / 0.190
G15     55.0           44.8               11.1 +/-    0.69      15.0 +/-    0.69  0.040 / 0.040
G16     275.4          11.7               11.1 +/-    1.90      29.8 +/-    1.90  0.040 / 0.040
G20     307.9          62.7               12.4 +/-    0.65      13.8 +/-    0.65  0.190 / 0.610
G21     10.6           73.2               14.8 +/-    0.76      15.4 +/-    0.76  0.170 / 0.720
G24     119.8          15.8               14.1 +/-    1.12      34.5 +/-    1.12  0.090 / 0.180
G27     317.5          21.1               10.8 +/-    4.58      23.1 +/-    4.58  0.080 / 0.210
G29     167.8          29.2               13.4 +/-    1.16      23.9 +/-    1.16  0.040 / 0.100
G32     204.1          12.7               14.2 +/-    2.53      37.4 +/-    2.53  0.040 / 0.100