PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/14-18:43:10
G05     47.6           21.8               10.6 +/-    0.74      22.4 +/-    0.74  0.040 / 0.080
G13     81.1           37.4               12.2 +/-    0.88      18.5 +/-    0.88  0.050 / 0.080
G15     127.4          50.4               14.5 +/-    0.39      18.3 +/-    0.39  0.060 / 0.140
G18     243.2          40.7               13.7 +/-    1.14      19.7 +/-    1.14  0.050 / 0.140
G20     24.3           69.5               12.7 +/-    0.58      13.4 +/-    0.58  0.080 / 0.220
G21     312.2          47.2               11.4 +/-    1.34      15.0 +/-    1.34  0.080 / 0.210
G25     199.2          11.7               12.9 +/-    2.78      34.7 +/-    2.78  0.050 / 0.050
G26     295.1          18.7               10.9 +/-    1.74      24.7 +/-    1.74  0.040 / 0.040
G29     150.0          69.4               14.2 +/-    1.00      15.1 +/-    1.00  0.040 / 0.100