HFlink is an international resource for radio operators using ALE or Selcall with transceivers, antenna systems, hardware and software controllers; development of HF communications networks utilizing ALE with SSB or Digital; ALE for organizations, Emergency / Relief operations; development of Automatic Linking and Selective Calling operating methods applicable to Amateur Radio Service. HF link channel Frequency and Address Coordination group for HF Amateur Radio ALE and Selective Calling.

http://hflink.com/olivia/