CDBS Facility Query

CDBS Facility Query

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AM stations from Missouri using default frequency sort.  Selected is a station with two facility parties.
FM stations from Hawaii sorted by callsign.  Station selected is an FM translator, with the associated facility (KQNG-FM) displayed.
TV stations from Puerto Rico sorted by city.  The "Active stations only" checkbox has been unchecked, thus all stations are displayed.  Selected is a station with a cancelled license.

App details

Release date

2016-12-06

Last update

2019-02-02

Product ID

9NN3DVV0GNF7

Categories

Books & reference

About CDBS Facility Query

The CDBS Facility Query is a tool for querying the FCC’s Commercial Database System (CDBS), a system used by broadcasters to submit filings. The files from this database are public and were processed into a database embedded within the app. This app allows viewing AM, FM, or TV facilities by state with sorting by frequency/channel, city, or callsign. Toggling between active and all facilities (off-air, cancelled license, etc.) is available as well. Selecting a facility then displays details, such as the address information of the facility, network affiliates, parties associated with the facility, etc.

This app was written by Comprehensive Custom Software, LLC to demonstrate the following techniques:

-Multiple page app (due to differences, pages for AM, FM, and TV)
-Use of the “hamburger” menu to select the desired broadcast category
-Data storage in an embedded SQLite database
-Use of the SQLite-Net PCL wrapper to access the database
-Binding to element properties (sets the color of the status block, hides interface items until loaded, etc.)
-Data sorting and filtering
-Continued progress in implementing MVVM design

Key features

  • Tool for querying the FCC's CDBS (Commercial Broadcast System) database of AM, FM, and TV facilities.