PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-08:27:50
G03     192.0          24.3                4.6 +/-    2.45       9.2 +/-    2.45  0.080 / 0.100
G07     289.1          38.7                3.7 +/-    1.72       5.5 +/-    1.72  0.070 / 0.110
G08     147.4          23.5                5.7 +/-    1.52      11.5 +/-    1.52  0.050 / 0.080
G09     320.8          59.1                4.0 +/-    0.76       4.6 +/-    0.76  0.070 / 0.090
G16     44.3           41.1                2.2 +/-    0.50       3.1 +/-    0.50  0.040 / 0.040
G23     108.0          78.3                3.7 +/-    0.61       3.8 +/-    0.61  0.040 / 0.040
G26     43.6           13.9                0.8 +/-    2.14       2.1 +/-    2.14  0.060 / 0.070
G27     104.3          31.9                5.3 +/-    1.03       9.0 +/-    1.03  0.040 / 0.070
G30     271.6          11.1              -10.9 +/-   24.30     -29.8 +/-   24.30  0.080 / 0.160