PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-06:27:50
G01     46.0           21.9                4.2 +/-    0.57       8.8 +/-    0.57  0.040 / 0.060
G06     175.9          28.3                8.0 +/-    1.27      14.5 +/-    1.27  0.040 / 0.070
G11     44.7           16.0                2.6 +/-    2.49       6.4 +/-    2.49  0.120 / 0.260
G13     245.6          29.4                7.0 +/-    1.85      12.4 +/-    1.85  0.110 / 0.350
G15     278.1          15.5                4.3 +/-    1.08      10.5 +/-    1.08  0.150 / 0.440
G17     331.6          77.8                7.7 +/-    0.59       7.8 +/-    0.59  0.130 / 0.490
G19     252.9          64.8                6.9 +/-    0.95       7.6 +/-    0.95  0.040 / 0.110
G28     45.1           56.9                5.8 +/-    0.38       6.8 +/-    0.38  0.050 / 0.070
G30     152.3          41.9               10.0 +/-    1.37      14.1 +/-    1.37  0.040 / 0.050