PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/21-21:12:50
G01     301.3          37.0                7.4 +/-    1.80      11.3 +/-    1.80  0.060 / 0.040
G10     112.2          34.8               10.1 +/-    1.22      16.1 +/-    1.22  0.060 / 0.050
G11     273.1          27.9                8.1 +/-    0.85      14.9 +/-    0.85  0.070 / 0.090
G14     10.5           63.6                8.8 +/-    0.55       9.7 +/-    0.55  0.070 / 0.090
G22     311.7          30.1                8.5 +/-    1.15      14.8 +/-    1.15  0.090 / 0.100
G25     71.0           16.5                7.9 +/-    1.28      19.0 +/-    1.28  0.080 / 0.100
G31     164.5          70.0               10.5 +/-    0.26      11.1 +/-    0.26  0.080 / 0.160
G32     42.3           48.3                8.0 +/-    0.98      10.4 +/-    0.98  0.090 / 0.170