PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-18:42:40
G01     320.7          13.1                9.3 +/-    2.44      24.2 +/-    2.44  0.030 / 0.030
G08     260.6          16.2               12.7 +/-    1.44      30.6 +/-    1.44  0.040 / 0.030
G10     70.6           55.6               10.9 +/-    0.59      12.9 +/-    0.59  0.070 / 0.050
G11     307.1          21.0               11.4 +/-    3.00      24.5 +/-    3.00  0.070 / 0.050
G14     280.1          69.3               12.4 +/-    0.55      13.2 +/-    0.55  0.120 / 0.240
G20     100.2          33.1               11.6 +/-    0.73      19.0 +/-    0.73  0.100 / 0.230
G27     230.4          13.3               12.6 +/-    4.10      32.6 +/-    4.10  0.170 / 0.410
G31     179.9          32.6               13.2 +/-    2.23      22.0 +/-    2.23  0.200 / 0.480
G32     351.4          71.9               12.4 +/-    0.83      13.0 +/-    0.83  0.150 / 0.350