PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/25-16:43:10
G01     46.1           21.9                1.3 +/-    8.36       2.7 +/-    8.36  0.080 / 0.190
G06     176.4          30.7               -6.0 +/-   20.06     -10.3 +/-   20.06  0.080 / 0.160
G13     247.3          27.4               14.4 +/-    2.34      26.6 +/-    2.34  0.050 / 0.080
G15     282.4          14.3               21.9 +/-   13.25      55.4 +/-   13.25  0.070 / 0.090
G17     348.8          75.4               41.9 +/-   14.20      43.2 +/-   14.20  0.190 / 0.390
G19     259.0          66.1              -76.1 +/-   48.02     -82.4 +/-   48.02  0.030 / 0.040
G24     319.1          10.8              -13.9 +/-   27.49     -38.3 +/-   27.49  0.020 / 0.030
G28     60.2           50.7                4.4 +/-    5.44       5.6 +/-    5.44  0.050 / 0.160
G30     152.1          38.5               15.4 +/-    0.69      22.9 +/-    0.69  0.050 / 0.160