PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-05:27:50
G01     73.6           32.1                6.8 +/-    0.56      11.5 +/-    0.56  0.030 / 0.030
G07     134.3          35.0                8.9 +/-    0.96      14.1 +/-    0.96  0.040 / 0.040
G11     58.7           37.2                5.0 +/-    0.80       7.6 +/-    0.80  0.090 / 0.420
G13     278.6          39.1                4.3 +/-    1.23       6.3 +/-    1.23  0.090 / 0.380
G15     304.1          15.5                0.3 +/-    2.62       0.8 +/-    2.62  0.050 / 0.100
G17     224.5          65.5               10.0 +/-    1.34      10.8 +/-    1.34  0.060 / 0.100
G19     219.9          40.4                9.2 +/-    1.05      13.3 +/-    1.05  0.050 / 0.060
G28     353.5          61.5                5.3 +/-    1.16       6.0 +/-    1.16  0.050 / 0.060
G30     130.0          70.2                9.3 +/-    0.40       9.8 +/-    0.40  0.090 / 0.080