PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-21:28:00
G02     326.4          80.3               12.4 +/-    0.83      12.6 +/-    0.83  0.140 / 0.180
G05     165.1          30.5               18.6 +/-    1.61      32.3 +/-    1.61  0.100 / 0.190
G06     40.2           44.5               11.0 +/-    1.05      14.9 +/-    1.05  0.090 / 0.240
G12     316.5          65.0               10.2 +/-    0.94      11.1 +/-    0.94  0.080 / 0.170
G17     82.4           14.2               11.9 +/-    1.51      30.2 +/-    1.51  0.030 / 0.060
G19     71.8           28.4               11.8 +/-    0.64      21.3 +/-    0.64  0.030 / 0.030
G24     230.9          25.0               16.1 +/-    0.84      31.6 +/-    0.84  0.030 / 0.050
G25     317.4          25.2               11.9 +/-    2.97      23.1 +/-    2.97  0.030 / 0.050