PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-19:27:40
G08     314.7          16.1               15.0 +/-    3.64      36.4 +/-    3.64  0.050 / 0.090
G10     317.7          57.1               12.3 +/-    1.07      14.3 +/-    1.07  0.050 / 0.080
G14     214.8          25.0               17.6 +/-    2.95      34.3 +/-    2.95  0.040 / 0.040
G15     45.8           15.7               10.2 +/-    0.91      25.0 +/-    0.91  0.030 / 0.040
G18     28.6           61.6               13.5 +/-    0.56      15.2 +/-    0.56  0.070 / 0.120
G20     80.6           10.8               11.8 +/-    2.96      32.4 +/-    2.96  0.060 / 0.100
G21     126.6          59.5               15.8 +/-    0.95      18.1 +/-    0.95  0.090 / 0.450
G24     83.8           30.2               14.0 +/-    0.78      24.5 +/-    0.78  0.110 / 0.500
G27     282.4          38.1               13.3 +/-    1.08      19.9 +/-    1.08  0.040 / 0.050
G32     218.2          43.4               16.5 +/-    1.19      22.7 +/-    1.19  0.050 / 0.070