The largest and unique short wave database in the world covering all Broadcasting and UTILITY Stations 1.6-30 MHz along with last monitoring date and many further details
ILGRadio  since 1983 the whole short wave spectrum in one hand
UPDATE INFO:
B22 updates on a DAILY basis: last upload January 30th 2023 (2157 UTC)
Next update on February 1st with a lot of freq.changes
Monitored and verified data: January: 9497, Year 2022: 19150; Year 2021:  11082 data entries, more details here STATISTICS
Important web pages for help: Explaining ILGRadio Data Fields and The Signal Types of the ILGRadio Database

PERSEUS SDR - Bandscan Record Files & PERSEUS Software