Rush gone from WRKO

[D. A.]

 On Wed, 20 May 2015, Dave Doherty wrote:
 
 > On the other hand, there
 seems to be pretty good evidence that PPM is 
 > inconsistent at best when reporting talk
 formats. Duty cycle in the 1-3 
 > kHz
 range is what makes PPM work.  You have to have consistent
 energy in 
 > that spectrum before the
 encoders can add the PPM signal.

Then, On Thu, 5/21/15, Rob Landry <011010001@interpring.com> wrote:
 
 I'm skeptical of that. The 1 - 3 KHz range
 is exactly where most of the 
 energy in
 human speech falls. <<



Here is more on the theory that is getting increase notice about the 1-3 KHZ lack of PPM response.

http://www.radioinsights.com/2015/05/everything-you-know-about-ppm-wrong.html