I have for sale the following CW filters for the TS950/850/450/690/570 and other Kenwood radios: YK-88c-1 500 hz filter for the 2nd IF $70 YG-455C-1 500hz filter for the 3rd IF $85 YG-455CN-1 270hz filter for the 3rd IF $85 Prices include shipping in the US. I can take paypal/check/MO. These will NOT work in the TS480 series. 73 John AF5CC