PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-21:43:00
G01     112.3          22.6               13.7 +/-    2.27      28.3 +/-    2.27  0.080 / 0.130
G07     96.9           62.5               12.1 +/-    0.74      13.5 +/-    0.74  0.060 / 0.150
G08     43.5           28.9                9.1 +/-    2.06      16.3 +/-    2.06  0.160 / 0.200
G09     176.5          19.4               17.7 +/-    3.03      39.6 +/-    3.03  0.130 / 0.160
G11     99.8           42.5               13.2 +/-    0.75      18.5 +/-    0.75  0.040 / 0.040
G13     313.8          24.6                8.8 +/-    1.18      17.4 +/-    1.18  0.060 / 0.060
G17     204.9          29.0               15.0 +/-    2.32      26.9 +/-    2.32  0.100 / 0.170
G18     86.9           23.3               11.1 +/-    1.55      22.6 +/-    1.55  0.100 / 0.150
G28     308.1          60.0                9.4 +/-    0.83      10.7 +/-    0.83  0.060 / 0.080
G30     14.5           75.7               11.6 +/-    1.27      11.9 +/-    1.27  0.060 / 0.070