Useful Links


Audio

The audio circuit                           
A web site with DIY and commercial audio products

Audio Engineering Society        
 I'm a member of this organization, join if audio is your passion

Linkwitz Labs
Siegfried Linkwitz, well known of the Linkwitz-Riley family of cross-over filters
 for non-coincident drivers has his own  web pages


Radio

European Radio Office             
 Find anything on EU's radio standards

European Telecommunication Standardization Institute  (ETSI)        
Europeans try to regulate everything up to the curvature of cucumbers
The  telecom regulations can be found here.

Low power radio association     
low power radio as an association