PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-10:27:40
G01     218.3          9.9                 5.1 +/-    2.14      14.2 +/-    2.14  0.210 / 0.480
G03     247.8          71.0                7.0 +/-    0.75       7.4 +/-    0.75  0.200 / 0.390
G09     299.6          13.1                4.7 +/-    1.74      12.3 +/-    1.74  0.030 / 0.060
G14     94.9           17.8                3.3 +/-    1.18       7.6 +/-    1.18  0.040 / 0.060
G16     137.4          53.5                8.9 +/-    0.65      10.8 +/-    0.65  0.030 / 0.040
G22     197.7          59.9                6.7 +/-    0.91       7.7 +/-    0.91  0.030 / 0.040
G23     316.7          46.9                3.0 +/-    0.98       3.9 +/-    0.98  0.110 / 0.310
G26     79.9           54.2                6.0 +/-    0.68       7.2 +/-    0.68  0.130 / 0.370
G31     49.9           23.0                2.6 +/-    0.69       5.4 +/-    0.69  0.060 / 0.080