PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/06-22:57:40
G01     220.1          11.1                8.9 +/-    2.82      24.1 +/-    2.82  0.120 / 0.250
G03     262.3          70.1                6.7 +/-    0.95       7.1 +/-    0.95  0.110 / 0.230
G09     300.0          15.6                4.8 +/-    4.04      11.8 +/-    4.04  0.030 / 0.040
G14     94.1           18.3                6.3 +/-    1.40      14.5 +/-    1.40  0.030 / 0.040
G16     138.3          52.8                8.0 +/-    0.64       9.7 +/-    0.64  0.190 / 0.400
G22     203.3          62.9                7.0 +/-    0.61       7.8 +/-    0.61  0.210 / 0.370
G23     312.5          41.8                6.9 +/-    1.09       9.8 +/-    1.09  0.040 / 0.030
G26     84.1           55.1                6.2 +/-    1.17       7.4 +/-    1.17  0.050 / 0.030
G31     48.0           28.0                4.4 +/-    1.77       8.0 +/-    1.77  0.050 / 0.050