[Collins] F500B31 filter

[Dr. Gerald N. Johnson]

I found some B case filters. One f455b3.1. One USB 97476 and one LSB 
97477. Not useful for your problem.

73, Jerry, K0CQ, Technical Adviser to the Collins Radio Association

On 8/24/2013 5:30 PM, Grant Youngman wrote:
> Anyone have a known good spare you'd be willing to part with?
>
> The "new" one that came in the mail today is quite dead -- a candidate for open heart surgery perhaps, but otherwise best as a paperweight :)
>
> Grant NQ5T
>
> Sent from my iPhone
>