PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-04:43:00
G01     220.4          12.6                4.9 +/-    3.59      12.8 +/-    3.59  0.110 / 0.370
G03     271.5          70.0                5.5 +/-    1.70       5.8 +/-    1.70  0.120 / 0.250
G09     297.5          11.6               -1.2 +/-   25.30      -3.2 +/-   25.30  0.110 / 0.250
G14     90.5           22.1                2.7 +/-    2.11       5.5 +/-    2.11  0.130 / 0.220
G16     138.6          50.5                5.2 +/-    0.60       6.6 +/-    0.60  0.190 / 0.280
G22     208.9          65.7                6.2 +/-    0.65       6.8 +/-    0.65  0.280 / 0.400
G23     313.6          44.0                4.6 +/-    0.66       6.3 +/-    0.66  0.040 / 0.080
G26     85.5           54.1                4.4 +/-    0.63       5.3 +/-    0.63  0.040 / 0.080
G31     48.3           25.6                3.3 +/-    2.36       6.3 +/-    2.36  0.030 / 0.030