PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/24-21:43:00
G01     220.5          11.5               10.1 +/-    2.69      27.3 +/-    2.69  0.120 / 0.410
G03     262.9          70.3                8.5 +/-    0.79       9.0 +/-    0.79  0.200 / 0.430
G09     299.4          14.4                6.9 +/-    1.36      17.5 +/-    1.36  0.040 / 0.040
G14     93.7           18.5                9.3 +/-    1.63      21.1 +/-    1.63  0.030 / 0.040
G16     140.2          51.9               10.2 +/-    0.95      12.6 +/-    0.95  0.050 / 0.070
G22     203.1          63.3               10.6 +/-    1.11      11.7 +/-    1.11  0.060 / 0.050
G23     312.0          41.3                8.2 +/-    1.03      11.7 +/-    1.03  0.100 / 0.270
G26     86.7           55.6                8.5 +/-    0.90      10.0 +/-    0.90  0.110 / 0.280
G31     47.4           29.5                6.1 +/-    1.41      10.7 +/-    1.41  0.040 / 0.040