The largest and unique short wave database in the world covering all Broadcasting and UTILITY Stations 1.6-30 MHz along with the last monitoring date and many further details
ILGRadio  since 1983 the whole short wave spectrum in one hand
UPDATE INFO:
A22 upload of May 15th 2022 (1815 UTC)
Monitored and verified data: January/February/March: 17469, Year 2021:  14567 data entries, more details here STATISTICS
New web pages available: Explaining ILGRadio Data Fields and The Signal Types of the ILGRadio Database

PERSEUS SDR - Bandscan Record Files & PERSEUS Software