PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-00:12:40
G01     231.7          24.4               13.9 +/-    2.85      27.6 +/-    2.85  0.040 / 0.040
G03     307.5          58.7               11.0 +/-    1.36      12.6 +/-    1.36  0.040 / 0.030
G14     74.3           33.9                8.4 +/-    1.30      13.6 +/-    1.30  0.060 / 0.120
G16     151.9          35.0               12.8 +/-    1.51      20.2 +/-    1.51  0.060 / 0.130
G22     260.3          74.5               12.4 +/-    0.69      12.9 +/-    0.69  0.040 / 0.040
G23     299.8          30.7               10.5 +/-    0.66      18.2 +/-    0.66  0.040 / 0.040
G26     115.0          50.3               10.7 +/-    0.51      13.5 +/-    0.51  0.150 / 0.190
G31     42.6           40.6                7.9 +/-    1.18      11.4 +/-    1.18  0.140 / 0.280
G32     91.3           11.4                8.9 +/-    1.72      24.2 +/-    1.72  0.120 / 0.140