[BC] Outside source for checking Modulation Levels

[robertm]

Harold

My 50 year old rules show nothing about peak duration for the flasher. Did it get added and then later removed or was this some official opinion that never was actually in part 73?   


> On Jul 21, 2014, at 3:27 PM, "Harold Hallikainen" <harold at hallikainen.com> wrote:
> 
> As I recall the history of this, the FCC had requirements for type
> acceptance of modulation monitors. They had to detect peaks within a
> certain time (I think the spec was within so many cycles of a tone of a
> specified frequency).