PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/03-20:28:10
G02     214.0          57.6               14.8 +/-    1.12      17.1 +/-    1.12  0.040 / 0.060
G06     68.9           77.6               11.8 +/-    0.80      12.0 +/-    0.80  0.040 / 0.050
G12     316.6          31.3               11.1 +/-    1.06      18.9 +/-    1.06  0.090 / 0.080
G17     54.3           34.6               10.5 +/-    0.69      16.7 +/-    0.69  0.090 / 0.100
G19     36.8           50.2               10.3 +/-    0.67      13.0 +/-    0.67  0.080 / 0.170
G24     268.4          41.9               13.4 +/-    1.27      18.9 +/-    1.27  0.080 / 0.180
G28     119.2          20.2               12.9 +/-    1.16      28.3 +/-    1.16  0.070 / 0.110