PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/17-01:58:10
G01     315.6          24.2                8.5 +/-    1.50      16.9 +/-    1.50  0.030 / 0.030
G10     90.3           49.6               10.2 +/-    0.68      12.9 +/-    0.68  0.040 / 0.030
G11     294.3          27.4                7.6 +/-    1.01      14.0 +/-    1.01  0.100 / 0.260
G14     327.2          71.1                9.6 +/-    1.17      10.1 +/-    1.17  0.100 / 0.240
G18     107.9          24.0                9.1 +/-    1.13      18.2 +/-    1.13  0.110 / 0.150
G22     304.1          15.6                5.5 +/-    1.69      13.4 +/-    1.69  0.090 / 0.170
G25     91.4           11.8                9.3 +/-    2.12      25.0 +/-    2.12  0.250 / 0.310
G31     176.2          48.9               11.0 +/-    0.81      14.0 +/-    0.81  0.170 / 0.210
G32     15.3           63.7                8.2 +/-    0.41       9.1 +/-    0.41  0.040 / 0.040