PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/08-18:43:10
G03     243.8          70.0               11.7 +/-    0.54      12.3 +/-    0.54  0.040 / 0.040
G09     301.4          15.9                8.1 +/-    2.33      19.8 +/-    2.33  0.040 / 0.040
G14     97.1           15.7               10.4 +/-    2.29      25.5 +/-    2.29  0.110 / 0.260
G16     138.6          54.7               12.9 +/-    0.65      15.4 +/-    0.65  0.170 / 0.310
G22     196.0          57.9               13.6 +/-    0.71      15.7 +/-    0.71  0.030 / 0.040
G23     315.4          44.9               10.5 +/-    0.69      14.2 +/-    0.69  0.030 / 0.030
G26     82.8           56.4               11.0 +/-    0.62      13.0 +/-    0.62  0.150 / 0.240
G31     49.5           25.7                8.8 +/-    2.87      16.9 +/-    2.87  0.150 / 0.250