PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-14:28:10
G10     271.6          42.3                6.8 +/-    1.36       9.5 +/-    1.36  0.190 / 0.150
G13     39.9           14.3                3.7 +/-    3.29       9.3 +/-    3.29  0.250 / 0.280
G15     53.6           42.7                4.9 +/-    1.04       6.9 +/-    1.04  0.380 / 0.650
G16     275.0          11.5                1.6 +/-    9.84       4.3 +/-    9.84  0.190 / 0.410
G20     311.5          63.5                6.0 +/-    0.61       6.6 +/-    0.61  0.120 / 0.060
G21     16.4           73.8                5.0 +/-    0.82       5.2 +/-    0.82  0.060 / 0.050
G24     119.3          16.1                8.5 +/-    2.54      20.7 +/-    2.54  0.090 / 0.140
G27     317.1          21.6                3.8 +/-    2.78       8.1 +/-    2.78  0.070 / 0.140
G29     167.8          28.7                7.7 +/-    1.17      13.8 +/-    1.17  0.040 / 0.030
G32     203.9          13.6                4.1 +/-    2.67      10.6 +/-    2.67  0.040 / 0.030