PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-01:42:30
G01     220.0          12.5                8.6 +/-    2.39      22.8 +/-    2.39  0.030 / 0.040
G03     273.4          69.6                4.4 +/-    0.66       4.6 +/-    0.66  0.030 / 0.050
G09     298.0          13.1                6.6 +/-    1.64      17.2 +/-    1.64  0.160 / 0.410
G14     89.9           23.4                3.8 +/-    1.22       7.6 +/-    1.22  0.130 / 0.430
G16     137.5          50.8                7.3 +/-    0.47       9.1 +/-    0.47  0.050 / 0.060
G22     210.0          65.8                5.3 +/-    0.79       5.8 +/-    0.79  0.040 / 0.070
G23     312.4          42.5                5.0 +/-    0.78       6.9 +/-    0.78  0.090 / 0.210
G26     85.3           54.0                3.3 +/-    0.36       4.0 +/-    0.36  0.090 / 0.210
G31     48.2           26.0                3.7 +/-    1.25       7.1 +/-    1.25  0.030 / 0.040