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              -11.2 +/-   32.29     -28.2 +/-   32.29  0.230 / 0.210
G08     259.9          15.3               10.1 +/-    3.00      24.8 +/-    3.00  0.160 / 0.270
G10     73.2           55.1               10.5 +/-    0.39      12.5 +/-    0.39  0.040 / 0.040
G11     306.1          21.5                7.6 +/-    1.56      16.1 +/-    1.56  0.030 / 0.040
G14     282.1          68.9                9.2 +/-    0.44       9.8 +/-    0.44  0.150 / 0.350
G18     307.7          38.0                8.2 +/-    2.27      12.4 +/-    2.27  0.130 / 0.300
G20     101.6          32.1                9.3 +/-    0.88      15.7 +/-    0.88  0.040 / 0.020
G27     227.9          11.7               11.7 +/-    1.14      31.4 +/-    1.14  0.040 / 0.030
G31     176.4          37.9               11.4 +/-    0.85      17.2 +/-    0.85  0.160 / 0.270
G32     1.5            69.8                8.5 +/-    0.27       9.0 +/-    0.27  0.140 / 0.250