New NIST Time Code to Boost Reception for Radio-Controlled Clocks

[Andre Kesteloot]

On 3/9/2013 23:02 PM, Richard O'Neill wrote:
> http://www.nist.gov/pml/div688/wwvb-030513.cfm


I read in the article that :"/*The flipping of the wave upside down and 
back again are phase modulations, the new encoding system designed to 
give the signal greater penetration strength.
*/*Greater penetration strength?
What is the NIST  equation for penetration strength ?*/*
*/André N4ICK/*

*/
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