(Sven Franklyn Weil) scribbled:

In article , Jianhong Wang wrote:
weather band. Could any one tell me the modulation method of weather
band and give me some useful link about the detail of weather band.

Weather Band is FM -- 162.55 and adjacent frequencies I believe.


Just follow the links on:
http://www.nws.noaa.gov/nwr/
I didn't see any technical data listed through a brief browsing, but I only
looked for a couple of minutes. You could probably contact someone
somewhere there and get any details of data transmission protocols you
might want.