[Boatanchors] Collins Filter Questions

[Rob Atkinson]

I think the 21 on the end means it is either 2100 cycle or 210 cps.
Can't remember which but I'm betting 2.1 kc.  yes 455 kc is correct.
Rob
K5UJ

On Tue, Aug 20, 2013 at 8:30 AM, Bry Carling <bcarling at cfl.rr.com> wrote:
> I have a Collins Mechanical Filter  F455-FB-21  (6W2) - it looks new.
>
> Can anyone tell me what radio this was used in? What bandwidth is the filter?