PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-21:43:10
G10     270.7          40.4               13.3 +/-    1.26      19.1 +/-    1.26  0.050 / 0.040
G13     40.4           15.5                9.0 +/-    2.34      22.0 +/-    2.34  0.040 / 0.040
G15     59.8           51.5               11.1 +/-    0.64      13.8 +/-    0.64  0.200 / 0.240
G16     275.2          11.1                6.6 +/-   14.50      18.1 +/-   14.50  0.160 / 0.270
G20     303.9          61.7               10.3 +/-    0.61      11.5 +/-    0.61  0.140 / 0.660
G21     11.2           73.7               11.9 +/-    1.05      12.4 +/-    1.05  0.160 / 0.570
G24     115.4          16.3               13.2 +/-    0.96      31.7 +/-    0.96  0.120 / 0.210
G27     317.5          20.6                9.6 +/-    1.77      20.7 +/-    1.77  0.130 / 0.250
G29     168.4          28.4               13.1 +/-    1.02      23.8 +/-    1.02  0.120 / 0.480
G32     204.5          13.2               15.1 +/-    0.89      39.4 +/-    0.89  0.120 / 0.490