PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-23:28:10
G10     267.7          38.7               12.4 +/-    0.99      18.3 +/-    0.99  0.120 / 0.160
G13     41.5           17.6                8.0 +/-    1.20      18.6 +/-    1.20  0.130 / 0.200
G15     61.0           51.3                9.1 +/-    0.26      11.4 +/-    0.26  0.040 / 0.040
G16     276.7          12.1               12.2 +/-    2.05      32.5 +/-    2.05  0.040 / 0.050
G20     270.6          34.1                7.0 +/-    0.61      11.2 +/-    0.61  0.180 / 0.570
G21     1.2            71.8                9.8 +/-    0.63      10.3 +/-    0.63  0.200 / 0.640
G24     118.3          14.7               13.3 +/-    1.78      33.3 +/-    1.78  0.160 / 0.310
G27     318.5          19.1                9.0 +/-    1.54      20.1 +/-    1.54  0.160 / 0.280
G29     168.4          31.6               12.0 +/-    0.50      20.2 +/-    0.50  0.100 / 0.270
G32     203.9          11.3               -2.6 +/-   50.28      -7.0 +/-   50.28  0.080 / 0.260