PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-03:43:10
G10     250.6          26.6               13.7 +/-    1.85      25.8 +/-    1.85  0.130 / 0.680
G13     53.6           30.0                8.3 +/-    1.36      14.5 +/-    1.36  0.130 / 0.590
G15     87.2           57.7               10.3 +/-    0.51      11.9 +/-    0.51  0.050 / 0.040
G16     294.7          15.7                7.4 +/-    2.76      18.2 +/-    2.76  0.050 / 0.060
G20     280.6          60.4               12.2 +/-    0.83      13.8 +/-    0.83  0.070 / 0.170
G21     332.9          59.8               10.1 +/-    0.90      11.5 +/-    0.90  0.060 / 0.150
G26     266.3          15.7               12.8 +/-    2.76      31.3 +/-    2.76  0.030 / 0.040
G29     165.2          50.7               11.8 +/-    0.69      14.7 +/-    0.69  0.030 / 0.050