PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-20:27:40
G02     228.1          70.0               13.0 +/-    0.64      13.7 +/-    0.64  0.300 / 0.440
G05     173.6          11.0                2.7 +/-   30.65       7.4 +/-   30.65  0.250 / 0.530
G06     43.5           65.9               12.6 +/-    0.65      13.7 +/-    0.65  0.030 / 0.040
G12     320.1          43.1               11.7 +/-    0.50      16.3 +/-    0.50  0.030 / 0.040
G17     64.6           27.0                8.5 +/-    1.10      15.8 +/-    1.10  0.060 / 0.080
G19     50.8           41.8               10.6 +/-    1.01      15.0 +/-    1.01  0.080 / 0.090
G24     252.3          37.9               14.6 +/-    1.53      22.0 +/-    1.53  0.050 / 0.050
G28     127.5          10.7               11.7 +/-    2.28      32.2 +/-    2.28  0.040 / 0.070