PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-15:27:50
G01     116.9          18.6                8.2 +/-    2.04      18.7 +/-    2.04  0.030 / 0.050
G07     91.6           61.2                9.0 +/-    0.78      10.1 +/-    0.78  0.040 / 0.050
G08     44.6           31.1                5.9 +/-    0.94      10.0 +/-    0.94  0.040 / 0.080
G09     177.4          25.8                8.0 +/-    1.22      15.3 +/-    1.22  0.050 / 0.070
G11     103.8          41.3                9.9 +/-    0.76      14.1 +/-    0.76  0.050 / 0.080
G13     316.5          21.6                5.3 +/-    4.18      11.3 +/-    4.18  0.060 / 0.080
G17     201.8          24.8                9.4 +/-    2.06      18.4 +/-    2.06  0.120 / 0.320
G18     91.1           21.3                8.0 +/-    1.30      17.1 +/-    1.30  0.140 / 0.320
G28     287.5          54.5                8.7 +/-    0.64      10.5 +/-    0.64  0.060 / 0.230
G30     358.4          72.3                8.2 +/-    0.64       8.5 +/-    0.64  0.120 / 0.190