PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-09:57:30
G01     229.0          20.7                4.8 +/-    2.30      10.4 +/-    2.30  0.040 / 0.030
G03     295.5          67.0                4.0 +/-    0.59       4.3 +/-    0.59  0.030 / 0.030
G14     81.7           27.2                2.6 +/-    1.27       4.7 +/-    1.27  0.040 / 0.040
G16     151.8          38.7                4.4 +/-    0.80       6.5 +/-    0.80  0.040 / 0.040
G22     225.3          73.6                4.8 +/-    0.59       5.0 +/-    0.59  0.230 / 0.270
G23     304.8          35.8                4.0 +/-    1.52       6.3 +/-    1.52  0.250 / 0.260
G26     108.6          52.9                6.4 +/-    0.81       7.8 +/-    0.81  0.100 / 0.170
G31     43.9           35.9                3.6 +/-    1.69       5.7 +/-    1.69  0.090 / 0.150
G32     94.2           11.5                3.4 +/-    2.24       9.2 +/-    2.24  0.080 / 0.130