PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/15-00:43:00
G01     320.3          14.4              -13.6 +/-   30.73     -34.3 +/-   30.73  0.090 / 0.390
G08     259.9          15.3                9.8 +/-    2.11      24.1 +/-    2.11  0.090 / 0.300
G10     73.2           55.1                9.9 +/-    0.32      11.7 +/-    0.32  0.030 / 0.040
G11     306.1          21.5                6.8 +/-    1.44      14.4 +/-    1.44  0.040 / 0.040
G14     282.1          68.9                9.7 +/-    0.42      10.4 +/-    0.42  0.160 / 0.320
G18     307.7          38.0                6.6 +/-    1.10       9.9 +/-    1.10  0.190 / 0.440
G20     101.6          32.1               10.2 +/-    0.86      17.2 +/-    0.86  0.040 / 0.060
G27     227.9          11.7               11.9 +/-    2.40      31.9 +/-    2.40  0.040 / 0.060
G31     176.4          37.9               12.9 +/-    1.11      19.4 +/-    1.11  0.100 / 0.250
G32     1.5            69.8                9.0 +/-    0.47       9.6 +/-    0.47  0.080 / 0.260