PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-14:12:30
G02     246.3          74.6                5.0 +/-    0.48       5.1 +/-    0.48  0.100 / 0.140
G05     173.3          16.5                5.8 +/-    2.69      14.0 +/-    2.69  0.090 / 0.100
G06     40.1           54.6                4.5 +/-    0.75       5.4 +/-    0.75  0.270 / 0.430
G12     322.0          57.7                3.3 +/-    0.64       3.8 +/-    0.64  0.390 / 0.230
G17     74.1           19.0                4.7 +/-    1.98      10.5 +/-    1.98  0.040 / 0.030
G19     56.6           40.3                4.2 +/-    1.28       6.1 +/-    1.28  0.030 / 0.040
G24     238.9          32.6                5.7 +/-    2.07       9.4 +/-    2.07  0.150 / 0.270
G25     317.1          17.3                3.6 +/-    3.07       8.5 +/-    3.07  0.150 / 0.290