PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-21:58:10
G02     50.6           40.0                8.0 +/-    1.32      11.7 +/-    1.32  0.030 / 0.050
G05     78.5           67.7               10.3 +/-    0.46      11.1 +/-    0.46  0.050 / 0.050
G12     188.1          45.8               12.5 +/-    0.36      16.7 +/-    0.36  0.070 / 0.080
G25     256.4          57.4               10.3 +/-    1.05      12.0 +/-    1.05  0.060 / 0.070
G29     322.6          46.2               10.0 +/-    0.70      13.3 +/-    0.70  0.040 / 0.050