PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/01-21:42:50
G02     299.3          81.3                8.6 +/-    1.09       8.7 +/-    1.09  0.110 / 0.270
G05     166.8          26.4               13.1 +/-    1.98      24.9 +/-    1.98  0.080 / 0.220
G06     39.5           48.9                8.3 +/-    0.58      10.6 +/-    0.58  0.090 / 0.170
G12     319.1          60.5                8.2 +/-    1.30       9.3 +/-    1.30  0.120 / 0.170
G17     79.0           16.5                8.2 +/-    1.15      19.6 +/-    1.15  0.040 / 0.040
G19     67.8           31.1                8.9 +/-    0.63      15.3 +/-    0.63  0.040 / 0.030
G24     234.4          27.9               11.7 +/-    1.27      21.4 +/-    1.27  0.040 / 0.060
G25     317.5          21.5                7.2 +/-    3.33      15.2 +/-    3.33  0.050 / 0.050