PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-20:58:10
G01     318.6          20.5               10.2 +/-    2.45      22.2 +/-    2.45  0.030 / 0.040
G08     257.9          13.3               12.8 +/-    2.29      33.2 +/-    2.29  0.040 / 0.060
G10     81.7           51.0               12.0 +/-    0.68      14.9 +/-    0.68  0.230 / 0.310
G11     304.9          21.1               10.7 +/-    2.31      23.0 +/-    2.31  0.320 / 0.360
G14     287.3          68.6               11.6 +/-    0.77      12.4 +/-    0.77  0.160 / 0.390
G20     106.8          26.6               13.0 +/-    1.16      24.5 +/-    1.16  0.140 / 0.290
G31     175.0          42.9               15.1 +/-    1.30      21.0 +/-    1.30  0.070 / 0.060
G32     11.2           66.6               10.5 +/-    0.61      11.3 +/-    0.61  0.050 / 0.070