PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/15-21:27:50
G08     315.2          15.8                8.7 +/-    3.44      21.2 +/-    3.44  0.060 / 0.090
G10     315.5          56.6               10.1 +/-    0.78      11.9 +/-    0.78  0.060 / 0.080
G14     214.2          24.3               16.2 +/-    2.19      32.2 +/-    2.19  0.080 / 0.380
G15     45.7           17.4                8.2 +/-    0.90      19.3 +/-    0.90  0.090 / 0.470
G18     24.9           62.4               10.1 +/-    0.65      11.3 +/-    0.65  0.040 / 0.040
G20     80.0           10.7                9.0 +/-    2.60      24.8 +/-    2.60  0.050 / 0.060
G21     124.5          62.2               11.9 +/-    0.39      13.2 +/-    0.39  0.080 / 0.110
G24     85.3           30.1               11.0 +/-    0.78      19.2 +/-    0.78  0.090 / 0.120
G27     283.9          38.0               10.3 +/-    1.16      15.4 +/-    1.16  0.050 / 0.070
G32     217.6          41.0               14.7 +/-    0.58      21.1 +/-    0.58  0.040 / 0.070