PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-22:13:10
G01     314.8          25.5                8.1 +/-    1.98      15.7 +/-    1.98  0.110 / 0.230
G10     92.9           48.2                8.3 +/-    1.03      10.7 +/-    1.03  0.280 / 0.330
G11     293.6          27.0                8.4 +/-    1.66      15.6 +/-    1.66  0.140 / 0.170
G14     330.3          70.7                8.2 +/-    0.47       8.6 +/-    0.47  0.190 / 0.180
G18     109.8          21.5                8.8 +/-    1.65      18.8 +/-    1.65  0.030 / 0.050
G22     304.9          16.5                7.7 +/-    3.80      18.5 +/-    3.80  0.040 / 0.040
G25     91.6           12.7               10.5 +/-    1.47      27.5 +/-    1.47  0.140 / 0.160
G31     177.2          49.7               12.1 +/-    0.95      15.3 +/-    0.95  0.160 / 0.250
G32     19.5           61.9                7.8 +/-    0.95       8.7 +/-    0.95  0.040 / 0.020