Steve K8SP had posted this  just before  Sept 11 of this year:

73, Steve KW3A

On 9/6/2013 6:57 PM, Steve wrote:
> BlankI saw this on an ad on qrz.com
>
>
> It seems like just yesterday that 9/11 happened. We are coming upon 12 years
> now.
> Every year I have the FDNY logging recorder tapes and NOW I also have the
> FAA/NORAD Tapes to listen to.
> WARNING! These tapes are graphic!
>
> Listen to the 9/11 terror attack on the NY WTC as it unfolds!
> Turn up your volume.
>
> The link for the FDNY recording: http://www.w5txr.net/Audio-Archive--01.html
>
> The link for the FAA/NORAD recording:
> http://www.w5txr.net/Audio-Archive-NORAD-FAA-Tapes.html
>
> Steve, K8SP
>
>
>