PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/02-16:27:50
G01     232.1          23.1               11.4 +/-    1.40      23.2 +/-    1.40  0.030 / 0.050
G03     301.2          64.5                8.7 +/-    0.98       9.5 +/-    0.98  0.040 / 0.050
G14     79.4           28.4                7.3 +/-    0.67      13.1 +/-    0.67  0.080 / 0.180
G16     157.4          33.7               12.4 +/-    0.92      20.2 +/-    0.92  0.090 / 0.220
G18     205.4          11.4               10.6 +/-    2.54      28.7 +/-    2.54  0.030 / 0.040
G22     233.0          75.4                8.8 +/-    0.98       9.0 +/-    0.98  0.030 / 0.040
G23     300.5          30.6                8.6 +/-    0.92      14.9 +/-    0.92  0.070 / 0.130
G26     120.6          51.3               10.3 +/-    0.82      12.8 +/-    0.82  0.070 / 0.160
G31     41.9           42.3                7.9 +/-    0.50      11.1 +/-    0.50  0.150 / 0.220
G32     91.4           14.2                9.2 +/-    1.36      23.4 +/-    1.36  0.150 / 0.270