Band-pass filter of King-Baxter type or Christiano?

[ivory4]

May I ask a question on behalf of someone else:
Does RATS have a program to compute bandpass filters proposed by Baxter & King (1999) REStat as well as Christiano & Fitzgerald (2003) Int Economic Review

Thanks

[TomDoan]

BKFILTER.SRC for Baxter-King. http://www.estima.com/procs_perl/bkfilter.src
CFFILTER.SRC for Christiano-Fitzgerland http://www.estima.com/procs_perl/cffilter.src

Googling "Baxter-King RATS" or whatever-it-is RATS will generally find procedures and programs on our web site.