PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-21:57:40
G02     15.4           67.8                8.5 +/-    0.75       9.1 +/-    0.75  0.050 / 0.080
G05     155.6          47.7               11.7 +/-    0.55      15.2 +/-    0.55  0.050 / 0.100
G06     45.6           29.0                7.7 +/-    0.95      13.8 +/-    0.95  0.050 / 0.040
G12     268.6          78.9                8.9 +/-    1.61       9.1 +/-    1.61  0.040 / 0.030
G19     87.1           18.1                9.6 +/-    1.84      22.2 +/-    1.84  0.150 / 0.530
G24     218.4          13.2               12.3 +/-    2.08      31.8 +/-    2.08  0.190 / 0.510
G25     312.4          40.8               10.9 +/-    1.27      15.6 +/-    1.27  0.030 / 0.030
G29     296.7          18.9                9.5 +/-    0.69      21.4 +/-    0.69  0.030 / 0.030