HOW TO SUBSCRIBE TO UDXF, SPOOKS AND HFU
Utility Dxers Forum
UDXF (Utility Dxers Forum) has been created to exchange logs and info related to HF utility radio stations.
For more information: http://www.udxf.nl
Spooks is a mailing list devoted to the discussion of spy numbers stations and amateur cryptography.
Topics include numbers stations, embassy transmissions, espionage radio, anything spooks related.
Go to the web interface http://mailman.qth.net/mailman/listinfo/spooks
Fill in the form and follow the instructions that will be mailed to you.
You can subscribe to the HFU message board via this website