PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-22:43:10
G01     220.7          11.6                8.7 +/-    1.48      23.5 +/-    1.48  0.120 / 0.240
G03     264.6          70.1                8.3 +/-    1.06       8.8 +/-    1.06  0.120 / 0.270
G09     299.5          14.9                6.5 +/-    2.16      16.2 +/-    2.16  0.030 / 0.040
G14     93.5           18.8                8.4 +/-    1.44      19.1 +/-    1.44  0.030 / 0.040
G16     139.4          52.0               11.3 +/-    0.65      13.9 +/-    0.65  0.220 / 0.240
G22     204.1          63.7                7.9 +/-    0.30       8.7 +/-    0.30  0.150 / 0.310
G23     311.9          41.2                7.1 +/-    1.08      10.1 +/-    1.08  0.050 / 0.050
G26     85.8           55.3                7.6 +/-    0.67       9.1 +/-    0.67  0.050 / 0.050
G31     47.6           28.8                6.5 +/-    1.75      11.6 +/-    1.75  0.040 / 0.030