PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-18:43:00
G01     37.6           10.3                7.4 +/-    5.66      20.6 +/-    5.66  0.050 / 0.060
G02     199.6          14.3               10.6 +/-    2.51      26.9 +/-    2.51  0.040 / 0.080
G06     173.4          45.9               10.8 +/-    1.03      14.4 +/-    1.03  0.170 / 0.350
G13     230.9          17.7               10.1 +/-    1.80      23.5 +/-    1.80  0.290 / 0.360
G17     11.8           65.7                7.8 +/-    0.80       8.5 +/-    0.80  0.110 / 0.170
G19     302.5          71.8                8.5 +/-    0.66       8.9 +/-    0.66  0.090 / 0.130
G24     313.4          25.0                8.6 +/-    1.01      16.9 +/-    1.01  0.040 / 0.030
G28     75.8           47.3                9.7 +/-    1.06      12.7 +/-    1.06  0.030 / 0.040