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<正>Presented are new images of supernova remnants G114.3+0.3, G116.5+1.1 and G116.9+0.2 (CTB 1) at 408 MHz from the Canadian Galactic Plane Survey (CGPS). We also use the 1420 MHz images from the CGPS in a study of their 408-1420 MHz spectral indice