PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-06:12:50
G01     50.5           25.8                6.3 +/-    1.16      12.1 +/-    1.16  0.050 / 0.040
G06     178.5          23.4                7.0 +/-    0.94      14.1 +/-    0.94  0.050 / 0.060
G07     145.6          11.1                7.2 +/-    2.92      19.5 +/-    2.92  0.050 / 0.060
G11     44.2           14.2                3.8 +/-    2.99       9.7 +/-    2.99  0.050 / 0.070
G13     250.6          31.0                9.4 +/-    2.18      16.2 +/-    2.18  0.120 / 0.260
G15     285.9          15.2                3.6 +/-    2.58       8.8 +/-    2.58  0.120 / 0.250
G17     326.4          79.0               10.5 +/-    0.64      10.7 +/-    0.64  0.030 / 0.030
G19     243.9          57.0               11.1 +/-    0.80      13.0 +/-    0.80  0.030 / 0.020
G28     48.7           54.4                8.7 +/-    0.86      10.5 +/-    0.86  0.080 / 0.170
G30     149.9          43.5               11.7 +/-    1.42      16.1 +/-    1.42  0.100 / 0.170