PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-08:12:50
G01     234.1          25.5                5.8 +/-    1.69      11.3 +/-    1.69  0.040 / 0.040
G03     307.1          60.5                5.4 +/-    0.92       6.1 +/-    0.92  0.030 / 0.030
G14     75.3           31.6                4.7 +/-    1.11       8.0 +/-    1.11  0.040 / 0.040
G16     155.1          32.5                7.4 +/-    1.74      12.4 +/-    1.74  0.040 / 0.040
G18     209.3          14.7                5.0 +/-    2.48      12.6 +/-    2.48  0.150 / 0.160
G22     256.9          75.7                7.0 +/-    1.06       7.2 +/-    1.06  0.220 / 0.190
G23     300.3          32.4                4.8 +/-    1.72       8.0 +/-    1.72  0.080 / 0.120
G26     118.5          49.5                7.0 +/-    0.49       8.9 +/-    0.49  0.080 / 0.110
G31     42.3           41.6                2.7 +/-    0.80       3.8 +/-    0.80  0.080 / 0.110
G32     89.1           14.9                4.3 +/-    1.55      10.7 +/-    1.55  0.080 / 0.100