PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-01:57:40
G10     274.1          43.1               11.0 +/-    1.20      15.2 +/-    1.20  0.040 / 0.040
G13     39.2           12.8                5.9 +/-    1.34      15.5 +/-    1.34  0.040 / 0.050
G15     53.3           43.3                8.3 +/-    0.39      11.4 +/-    0.39  0.110 / 0.150
G16     275.0          10.3                7.8 +/-    1.91      21.6 +/-    1.91  0.110 / 0.140
G20     309.4          62.4                8.7 +/-    0.64       9.7 +/-    0.64  0.050 / 0.060
G21     19.3           74.8               10.3 +/-    0.69      10.6 +/-    0.69  0.070 / 0.060
G24     115.9          17.6                9.6 +/-    1.66      22.4 +/-    1.66  0.100 / 0.530
G27     316.3          22.5                5.5 +/-    1.91      11.4 +/-    1.91  0.080 / 0.450
G29     167.1          23.9               11.3 +/-    3.61      22.7 +/-    3.61  0.110 / 0.310
G32     205.5          12.6               11.1 +/-    2.73      29.3 +/-    2.73  0.120 / 0.320