PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/22-14:43:00
G02     247.5          74.7                3.9 +/-    0.46       4.0 +/-    0.46  0.060 / 0.150
G05     172.8          17.3                8.0 +/-    1.65      18.7 +/-    1.65  0.080 / 0.150
G06     40.1           53.8                3.9 +/-    0.48       4.7 +/-    0.48  0.110 / 0.110
G12     322.0          58.7                4.0 +/-    0.94       4.5 +/-    0.94  0.100 / 0.140
G17     74.6           18.8                4.6 +/-    0.84      10.5 +/-    0.84  0.060 / 0.060
G19     57.1           40.1                5.1 +/-    0.96       7.4 +/-    0.96  0.050 / 0.060
G24     238.5          32.3                7.4 +/-    1.03      12.4 +/-    1.03  0.040 / 0.050
G25     317.1          17.5                4.9 +/-    2.19      11.4 +/-    2.19  0.040 / 0.050