PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-07:42:30
G01     87.8           31.1                5.5 +/-    0.78       9.4 +/-    0.78  0.040 / 0.030
G07     125.6          44.3                7.5 +/-    1.17      10.2 +/-    1.17  0.030 / 0.030
G11     69.9           42.1                4.9 +/-    0.59       6.9 +/-    0.59  0.040 / 0.050
G13     293.3          37.4                5.2 +/-    0.69       7.8 +/-    0.69  0.040 / 0.060
G15     314.6          10.5               -8.4 +/-   13.30     -23.1 +/-   13.30  0.050 / 0.080
G17     213.4          52.7                7.3 +/-    0.78       9.0 +/-    0.78  0.040 / 0.080
G19     213.5          29.4                5.4 +/-    2.40       9.6 +/-    2.40  0.070 / 0.120
G28     332.6          61.0                3.9 +/-    1.16       4.4 +/-    1.16  0.080 / 0.120
G30     99.5           78.7                5.6 +/-    0.55       5.7 +/-    0.55  0.050 / 0.060