The Radio Amateur Callbook contains the callsign and address information of the Amateurs Radio stations all over the world. In addition, it comes with a lot of useful extra information.

MacDoppler for Cocoa was re-written from the ground up to take full advantage of all the great Cocoa capabilities in OS X on PPC as well as Intel hardware. MacDoppler will provide any level of station automation you need from assisted Doppler Tuning and Antenna Pointing right on up to fully automated Satellite Gateway operation. MacDoppler for Cocoa carries on the rich tradition pioneered by MacDopplerPRO which is in use around the world by Amateur Radio operators, satellite spotters, educators and commercial customers from CBS News to the International Space Station Amateur Radio Hardware Management program, Delta Telemetry Tracking and Control at Boeing Integrated Defense Systems, Florida State University, and the CalPoly CubeSat Project.

Papers · your personal library of research: Repository of knowledge, Search article repositories and download articles without leaving Papers, All your papers at a glance, Papers lets you view, browse and search your library, iTunes style. Smart groups. Collect your articles together or create smart groups that are always up to date.