PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-01:42:40
G01     56.1           28.9                4.3 +/-    1.42       7.8 +/-    1.42  0.030 / 0.040
G06     180.4          17.4                7.3 +/-    1.05      17.1 +/-    1.05  0.040 / 0.040
G07     144.0          18.8                6.2 +/-    1.01      14.1 +/-    1.01  0.050 / 0.080
G11     47.8           23.0                3.0 +/-    1.15       6.2 +/-    1.15  0.100 / 0.090
G13     258.7          33.5                5.3 +/-    2.24       8.6 +/-    2.24  0.030 / 0.020
G15     289.3          16.7                5.0 +/-    1.94      11.9 +/-    1.94  0.030 / 0.030
G17     271.4          76.9                5.5 +/-    0.44       5.6 +/-    0.44  0.140 / 0.300
G19     237.6          54.6                5.9 +/-    2.04       7.1 +/-    2.04  0.140 / 0.260
G28     43.3           55.0                3.9 +/-    2.20       4.7 +/-    2.20  0.090 / 0.230
G30     145.3          44.1                7.8 +/-    0.54      10.7 +/-    0.54  0.140 / 0.170