PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-19:58:10
G02     289.9          81.0                9.0 +/-    0.50       9.1 +/-    0.50  0.350 / 0.320
G05     167.4          25.4               12.5 +/-    2.24      24.1 +/-    2.24  0.150 / 0.280
G06     39.6           48.7                8.5 +/-    0.49      10.9 +/-    0.49  0.030 / 0.060
G12     319.4          60.2                7.5 +/-    0.85       8.5 +/-    0.85  0.030 / 0.030
G17     77.9           17.8                8.1 +/-    1.16      18.9 +/-    1.16  0.090 / 0.150
G19     67.2           31.3                7.9 +/-    2.24      13.6 +/-    2.24  0.090 / 0.150
G24     235.6          28.4               11.8 +/-    1.70      21.3 +/-    1.70  0.100 / 0.160
G25     317.4          20.4                6.1 +/-    2.13      13.3 +/-    2.13  0.110 / 0.170