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About ILG Database

The first Band Scans for ILG were made in Summer 1983. Since that time ILG is publishing complete frequency lists on a  regular basis. ILG has since 1983 the experiencesfor quick and precise band scans and the necessary knowledge to identify the various radio stations, programmes and languages. Season by season ILG frequency databaseswere improved and extended to todays highest standard in the word. ILG data are based on serious information of the radio stations and there information will be verified during
the whole broadcasting season.
ILG was the first publication in the world which startet in Summer 1985 with the first test of the Graphical Diagramm "Times by Lines" whichsignificantly improved the bandcan procedure !

In 2014 after some years of preparation, ILG Database was extended by UTILITY stations (non-broadcasting). The data set size is now more than 36000 entries.

Here are the Key Highlights of the ILG database:

- exact frequencies given in kHz (min. 10 Herz precision)
- exact transmission times of broadcasting and time range of utility
- identification of nearly all short wave stations within seconds
- 100% correct data of all broadcasting schedules
- update of most broadcasting schedules with co-operating contacts to the responsible frequency managers
- 80-90% correct data of utility stations
- approx. 38000 current transmission entries in the database
- approx. weekly releases of ILG database (more than 110/year)
- frequency schedules of broadcasting stations 3-4 months available before the start of the season at the end of March/October
- approx.55 editions available during one season of which about 20 are available before the broadcasting season starts
- daily band-scans are made via more than 30 remote receivers on all 5 continents, in most cases PERSEUS SDR receivers in use
- each data entry / broadcasts given with the last monitoring date e.g. station monitored on May 20th 2017 is listed as "200517"
     This information is completely unique worldwide and each listed broadcasting station must be checked during the season
- broadcasts which are not on-air or inactive will be marked clear identification of un-used ITU / HFCC requirement stuff
- ILG broadcasting data are updated by special software tools incl. more than 30 000 technical HF antenna data and antenna modes
- ILG includes also Jamming stations of China, Cuba, Ethiopia, North-Korea and Vietnam with noise sound or DRM type signals
     ILG is an independed product without censorship published on free right of publishing. Jamming is completely ignored at all at ITU !
- call sign(s) or the structure of call sign of utility stations also given which is important for e.g. ALE transmissions identification
- detailed technical data of antenna / sites of broadcasting stations
- broadcasting antennas given with correct design frequency and type
- broadcasts with detailed language and day of transmission information
- broadcasting entries with transmitter warm-up times information
- ILG shows in detail all un-used frequencies (so called wooden) listed in HFCC / ITU database and "blocking" free channels for years.
     HFCC / ITU given approx. 50% fake entries in their databases !
- ILG includes "unofficially" broadcasts of 6x organizations which will not be published in HFCC/ITU database due to political reasons
- all utility stations with listings of current used frequencies no graveyard of ITU Geneva requirement stuff
- due to daylight saving time ILG is available for the two seasons Summer (A) and Winter (B) starting at the end of March and October
- database available in various versions and formats
- ILG database available in the HFCC data format (extended version) and compatible to all kind of software which can run HFCC/ITU data
- database import in WPLOT Software LINK:
- in WPLOT software ILG data can be displayed with signal patterns
- database available in HFCC/ITU data format
- ILG includes also the graphical diagram "Times by Lines" which was invented exclusively by ILG in 1986 and is unique until today
- ILG database is in use by more than 30 broadcasting stations and government administrations for the HF frequency planning
- ILG database is designed, maintained and regular improved by the ILG Software company
- ILG master data is running on dBASE software with more than 250 000 data sets and various tools are creating the ILG files
- ILG data can be also made available with requested text or dbase formats in the case you run an own structure for your purpose