PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/05-16:42:40
G01     89.3           31.4               10.8 +/-    1.22      18.3 +/-    1.22  0.030 / 0.080
G07     126.2          40.1               11.6 +/-    0.89      16.9 +/-    0.89  0.030 / 0.080
G11     67.5           39.9                9.7 +/-    0.40      14.2 +/-    0.40  0.040 / 0.060
G13     293.8          37.0               13.3 +/-    1.18      20.3 +/-    1.18  0.050 / 0.060
G15     314.8          10.4               -7.1 +/-   19.95     -19.6 +/-   19.95  0.050 / 0.070
G17     213.7          52.5               16.9 +/-    1.23      20.7 +/-    1.23  0.050 / 0.090
G18     62.2           23.3                9.8 +/-    1.24      19.9 +/-    1.24  0.120 / 0.140
G19     213.8          28.0               13.7 +/-    1.69      25.0 +/-    1.69  0.120 / 0.140
G28     337.6          61.5               11.3 +/-    0.81      12.6 +/-    0.81  0.090 / 0.120
G30     110.3          72.6               13.1 +/-    0.41      13.7 +/-    0.41  0.080 / 0.140