PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/15-16:28:10
G02     214.6          54.6               11.4 +/-    0.63      13.6 +/-    0.63  0.060 / 0.070
G06     62.0           74.4                7.9 +/-    0.58       8.2 +/-    0.58  0.070 / 0.080
G12     319.1          38.1                6.7 +/-    0.66      10.0 +/-    0.66  0.040 / 0.070
G17     56.0           32.9                6.8 +/-    0.51      11.2 +/-    0.51  0.060 / 0.080
G19     31.6           53.6                7.8 +/-    0.60       9.4 +/-    0.60  0.030 / 0.030
G24     266.8          42.5                8.6 +/-    0.77      12.0 +/-    0.77  0.030 / 0.030
G28     120.7          15.9                8.6 +/-    1.37      21.0 +/-    1.37  0.040 / 0.050