PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-12:12:50
G08     320.0          11.2               -2.2 +/-   24.78      -6.1 +/-   24.78  0.090 / 0.230
G10     311.0          55.6                2.1 +/-    0.65       2.5 +/-    0.65  0.090 / 0.250
G14     213.4          18.5                4.0 +/-    1.17       9.1 +/-    1.17  0.040 / 0.040
G15     45.5           18.8                0.9 +/-    0.61       2.0 +/-    0.61  0.030 / 0.040
G20     75.9           17.5                1.8 +/-    0.88       4.3 +/-    0.88  0.050 / 0.070
G21     119.9          65.5                2.5 +/-    0.90       2.7 +/-    0.90  0.050 / 0.080
G24     88.0           29.3                2.3 +/-    0.92       4.2 +/-    0.92  0.100 / 0.520
G27     288.5          37.5                4.3 +/-    0.77       6.5 +/-    0.77  0.110 / 0.450
G32     215.2          41.9                6.2 +/-    1.33       8.7 +/-    1.33  0.080 / 0.130