PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-02:58:00
G08     317.6          13.7                7.2 +/-    1.60      18.4 +/-    1.60  0.030 / 0.040
G10     319.4          58.0                8.6 +/-    1.06       9.9 +/-    1.06  0.040 / 0.040
G14     213.9          22.9               13.3 +/-    1.02      27.3 +/-    1.02  0.050 / 0.090
G15     45.8           16.4                7.5 +/-    1.29      17.9 +/-    1.29  0.060 / 0.090
G20     20.8           63.2                8.7 +/-    0.49       9.7 +/-    0.49  0.050 / 0.030
G21     124.1          65.0               10.3 +/-    0.57      11.3 +/-    0.57  0.030 / 0.040
G24     83.8           29.8                9.6 +/-    1.36      16.8 +/-    1.36  0.120 / 0.290
G27     286.7          37.5               10.2 +/-    1.02      15.5 +/-    1.02  0.110 / 0.430
G32     216.8          42.3               10.8 +/-    0.64      15.1 +/-    0.64  0.130 / 0.280