PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-20:42:50
G02     11.1           70.0               10.3 +/-    0.36      10.9 +/-    0.36  0.030 / 0.050
G05     157.4          46.2               12.9 +/-    0.76      17.1 +/-    0.76  0.050 / 0.060
G06     46.2           27.7                8.5 +/-    1.61      15.6 +/-    1.61  0.240 / 0.270
G12     245.0          81.0                9.8 +/-    0.61       9.9 +/-    0.61  0.160 / 0.300
G19     84.9           22.2               10.1 +/-    1.81      21.1 +/-    1.81  0.050 / 0.080
G24     218.4          13.8               13.9 +/-    1.12      35.6 +/-    1.12  0.050 / 0.100
G25     313.1          40.3                9.8 +/-    1.00      14.2 +/-    1.00  0.070 / 0.100
G29     294.7          15.3                9.7 +/-    2.07      23.9 +/-    2.07  0.060 / 0.150