As vitovito and pigeons mentioned storage and collection locations are the main issues. Things like this exist, but they don't archive data and are designed for

As vitovito and pigeons mentioned storage and collection locations are the main issues. Things like this exist, but they don't archive data and are designed for military use- Google: Wideband Recording System . They typically are mobile units that focus on fast capture rate and decently large storage (a few terabytes). sigidwiki is worth looking at, but it's more for classification: http://www.sigidwiki.com/wiki/Signal_Identification_Guide http://www.sigidwiki.com/wiki/Signal_Identification_Guide