how to get a certain frequency spectrum using rtl_power

[keenerd]

On 1/26/14, 393775602 <393775602 at qq.com> wrote:
> does anyone know how to get a certain fequency spectrum using rtl_power or
> some other tool.

Rtl_power already does that.  Use the -f option to select the
frequencies of interest.  If the -f option does not do what you want,
please explain what you are trying to do.

-Kyle
http://kmkeen.com