PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/15-00:42:50
G01     268.9          40.9               10.1 +/-    1.16      14.5 +/-    1.16  0.040 / 0.070
G03     315.9          29.5                7.7 +/-    3.26      13.6 +/-    3.26  0.040 / 0.060
G10     130.4          15.4               10.1 +/-    0.87      24.9 +/-    0.87  0.060 / 0.090
G11     247.9          19.2               10.2 +/-    1.04      22.9 +/-    1.04  0.060 / 0.090
G14     44.6           49.4                8.6 +/-    0.73      10.9 +/-    0.73  0.040 / 0.080
G18     230.7          37.8               11.6 +/-    1.16      17.5 +/-    1.16  0.040 / 0.080
G22     313.8          52.0                9.1 +/-    1.36      11.2 +/-    1.36  0.070 / 0.210
G25     48.6           14.4                5.0 +/-    1.14      12.6 +/-    1.14  0.080 / 0.240
G31     53.5           73.1                9.9 +/-    0.79      10.3 +/-    0.79  0.120 / 0.240
G32     65.6           31.1                8.0 +/-    0.96      13.7 +/-    0.96  0.110 / 0.270