A21 Databases
in CSV Format (new Access/Excel), dBASE (old Access/Excel), Text (various)
The ultimate Source for the HF Planning, HF Frequency Management
deep-in Investigation, Military Operations, Intelligence Services and Government Monitoring
Last update of ILG data files: January 24th 2021 (2345 UTC)
Here you can investigate for complete schedules of the various FMO´s at a glance with current data and the data of last year. There is a Web page for each HFCC / ASBU /ABU FMO. The seasons are displayed with various background colours.
USA private stations listed also under their own callsign or on the FCC page and all Russian entries of GFC/RAM/VOR are also in the RUS file.
In this file you can find out un-used frequency requests and you can see differences between ILG and HFCC data ! This is quite helpful during the HFCC conference to find out who was the first user on the various frequencies.
Not used broadcasts can be detected easily and highlighted in light green colour !
ILG Data by HTML Files of all broadcasting bands displayed with your Web Browser without any further software
ILG Background Colors for Data Contents
Current a21 HFCC Requirements |
Final a21 Season (data will be verified by ILG Global Bandscan from March 28th 2021) |
Winter Season b20 |
Summer Season a20 |
Inactive Transmission / Closed Station |
Free / not used transmissions (freq.will possible not on air according to monitoring or schedules). For precise coordination contact FMO. |
Double Transmission (already listed by another FMO with same technical parameters). For precise coordination ask the responsible FMO ! |
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ILG Database (HTML Version: current data + last Year + all Requirements)
DOWNLOAD FILE: ia21fmo.zip
Direct access to the various FMO schedules:
CLICK Here for schedules of the various Frequency Management Organizations