PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-21:57:50
G03     261.6          70.0                8.7 +/-    0.60       9.2 +/-    0.60  0.040 / 0.050
G09     301.3          18.3                8.7 +/-    1.85      20.0 +/-    1.85  0.040 / 0.050
G14     92.6           22.0                9.2 +/-    2.09      19.3 +/-    2.09  0.130 / 0.330
G16     132.5          53.9               12.2 +/-    0.98      14.7 +/-    0.98  0.140 / 0.340
G22     203.5          61.9               10.7 +/-    0.80      11.9 +/-    0.80  0.040 / 0.080
G23     314.3          44.1                7.8 +/-    1.85      10.6 +/-    1.85  0.040 / 0.070
G26     79.5           53.7                7.3 +/-    1.30       8.8 +/-    1.30  0.040 / 0.040
G31     49.5           24.3                6.1 +/-    1.67      12.0 +/-    1.67  0.040 / 0.040