PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/23-16:57:50
G07     33.1           69.6               13.3 +/-    1.10      14.1 +/-    1.10  0.040 / 0.080
G08     57.1           45.8               12.1 +/-    0.82      16.1 +/-    0.82  0.040 / 0.060
G09     178.9          42.4               14.2 +/-    2.26      19.9 +/-    2.26  0.040 / 0.050
G11     125.2          31.5               13.3 +/-    0.91      22.5 +/-    0.91  0.050 / 0.050
G18     109.5          13.6               12.7 +/-    2.13      32.6 +/-    2.13  0.030 / 0.040
G27     38.2           11.7               10.3 +/-    2.48      27.7 +/-    2.48  0.030 / 0.050
G28     267.7          49.7               12.8 +/-    1.15      16.2 +/-    1.15  0.080 / 0.150
G30     327.3          56.2               12.9 +/-    1.08      15.1 +/-    1.08  0.080 / 0.160