AM IBOC Power Levels = Mystery -by- Barry McLarnon
http://www.rwonline.com/reference-ro..._barry_2.shtml
It's Time to Call a Halt to the AM IBOC 'Experiment' and Start Talking
Alternatives
Two audio streams
NAB insistent about AM
Go all-digital now
-source- Radio World OnLine .Com
http://www.rwonline.com/