PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/23-21:58:10
G08     315.5          15.8                8.0 +/-    1.88      19.4 +/-    1.88  0.030 / 0.040
G10     316.5          57.1                8.4 +/-    0.99       9.8 +/-    0.99  0.030 / 0.040
G14     214.0          22.0               14.0 +/-    2.24      29.2 +/-    2.24  0.040 / 0.060
G15     45.9           22.4                6.7 +/-    2.20      13.8 +/-    2.20  0.050 / 0.060
G20     19.8           63.4                9.6 +/-    1.40      10.6 +/-    1.40  0.060 / 0.100
G21     123.4          65.0               11.0 +/-    0.95      12.0 +/-    0.95  0.090 / 0.120
G24     81.3           28.8                9.5 +/-    1.32      17.0 +/-    1.32  0.040 / 0.050
G27     287.6          37.0                9.3 +/-    1.04      14.3 +/-    1.04  0.030 / 0.040
G32     216.5          44.7               13.1 +/-    1.03      17.8 +/-    1.03  0.080 / 0.210