PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-07:27:40
G01     109.5          22.7                6.4 +/-    1.04      13.2 +/-    1.04  0.040 / 0.030
G07     100.2          60.3                6.6 +/-    0.55       7.5 +/-    0.55  0.040 / 0.030
G08     42.7           25.5                3.6 +/-    0.75       6.9 +/-    0.75  0.070 / 0.110
G09     174.5          16.8                6.2 +/-    2.76      14.7 +/-    2.76  0.070 / 0.100
G11     97.6           44.0                7.5 +/-    1.01      10.2 +/-    1.01  0.070 / 0.200
G13     312.2          27.0                5.3 +/-    1.33       9.9 +/-    1.33  0.060 / 0.190
G17     203.6          31.8                5.6 +/-    0.77       9.4 +/-    0.77  0.040 / 0.040
G19     206.8          10.9               -0.2 +/-   12.91      -0.5 +/-   12.91  0.040 / 0.040
G28     295.8          55.9                5.2 +/-    0.90       6.1 +/-    0.90  0.050 / 0.060
G30     357.2          74.2                6.3 +/-    0.67       6.5 +/-    0.67  0.040 / 0.060