PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-20:27:40
G02     4.7            72.6                9.9 +/-    0.89      10.3 +/-    0.89  0.110 / 0.360
G05     159.7          41.9               12.7 +/-    1.20      17.9 +/-    1.20  0.090 / 0.340
G06     43.6           33.1                7.4 +/-    0.79      12.2 +/-    0.79  0.080 / 0.120
G12     294.1          76.4                8.1 +/-    0.99       8.3 +/-    0.99  0.060 / 0.100
G19     82.5           21.1                9.1 +/-    2.67      19.5 +/-    2.67  0.040 / 0.040
G24     222.5          17.0               11.6 +/-    2.87      27.5 +/-    2.87  0.040 / 0.040
G25     315.0          35.6                8.9 +/-    1.25      14.0 +/-    1.25  0.030 / 0.040
G29     292.3          14.8               10.5 +/-    2.50      26.2 +/-    2.50  0.030 / 0.030