Utility Monitoring Central

Listening to non-broadcast digital radio communications from 10kHz to 1GHz
Stations on...
ULF/ELF 
VLF/LF 
HF 
VHF 
UHF 
Resources
Digital Signals 
Equipment 
Databases 
WWW Links
 		 Interested in finding a particular digital system on the air?  Click on the appropriate system below for extracts of my logbook from 1996 to present.  Frequencies are centre of data with a decoder CF of 1500Hz.  Database format is plain ASCII with the following fields: 

YYMMDD, TimeOn, TimeOff, Frequency (kHz), Callsign, User, Location, System Details 

Please be aware that some of these files are large! 

Choose system: 

 


Last Modified: 20th December 1999
Content copyright Mike Chace-Ortiz.  No commercial use of these pages and their content allowed unless by prior permission of the author