PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-23:12:30
G07     347.4          62.6                8.7 +/-    1.07       9.7 +/-    1.07  0.040 / 0.050
G08     85.9           53.4               10.5 +/-    0.65      12.7 +/-    0.65  0.030 / 0.040
G09     185.4          64.8               11.2 +/-    0.38      12.2 +/-    0.38  0.070 / 0.120
G11     141.9          18.1               12.1 +/-    2.13      28.0 +/-    2.13  0.060 / 0.120
G23     157.7          31.2               11.5 +/-    1.43      19.7 +/-    1.43  0.050 / 0.120
G27     47.0           25.6                9.7 +/-    0.62      18.7 +/-    0.62  0.060 / 0.110
G28     245.7          37.2               11.2 +/-    0.75      17.1 +/-    0.75  0.050 / 0.090
G30     312.6          45.0                7.5 +/-    0.69      10.1 +/-    0.69  0.050 / 0.120