Remove Duplicates from Radio Station and Playlist Data
✓ TestedWorks with CSV, Excel, Google Sheets → JSON-LD Schema
By dataclean.to team · 2026-02-12
Radio industry databases track stations, playlists, airplay logs, and advertising inventory across FCC records, broadcast monitoring services, station group management systems, and ad sales platforms. The same station appears under its call letters, branding name, and HD sub-channels as separate entries. Playlist logs from different monitoring services report the same spin with slightly different timestamps and song metadata. dataclean.to matches radio records by call sign, frequency, market, and song metadata to eliminate duplicates across your broadcast data.
The Problem
Duplicate entries in radio data distort airplay analytics, advertising metrics, and station coverage reporting. A song tracked across two monitoring services shows inflated spin counts when the same broadcast is counted twice. Station directories with duplicates for the same frequency list phantom stations that do not exist as separate entities, inflating market counts used in advertising rate calculations. Ad sales platforms with duplicate station entries may sell the same time slot to two advertisers or report conflicting available inventory. Royalty calculations based on duplicate airplay logs overpay for some tracks while the counting errors obscure the true popularity of others. FCC AM/FM radio station records
How to Fix It
1
Export station and playlist data
Pull records from your station directory, broadcast monitoring service, or ad sales platform into CSV format. For stations, include call sign, frequency, market, format, owner group, and branding name. For playlists, include song title, artist, spin date/time, and station.
2
Upload to dataclean.to
Upload the CSV. The tool compares call signs, frequencies, and song metadata to identify stations listed under multiple entries and playlist spins counted more than once.
3
Review duplicate station and spin clusters
Examine flagged groups. Common duplicates include stations listed under both call letters and branding names, HD sub-channels entered as separate stations from the main frequency, and the same song spin logged by two monitoring sources with slightly different timestamps.
4
Merge into canonical records
Consolidate duplicate station entries into single records with call sign as the primary identifier, branding name as a display name, and HD channels noted as sub-entries. Deduplicate playlist logs to reflect one spin per actual broadcast.
5
Export the clean broadcast database
Download the deduplicated data for import into your station directory, monitoring platform, or ad sales system. Clean records ensure accurate spin counts, reliable station coverage metrics, and correct advertising inventory.
Frequently Asked Questions
How does the tool handle HD Radio sub-channels?
HD2 and HD3 sub-channels sharing the same call letters as the main station are flagged as related entries. You decide whether to merge them into a single station record with sub-channel annotations or keep them as distinct entries depending on your tracking needs.
Can it deduplicate airplay logs from different monitoring services?
Yes. When two monitoring sources report the same song on the same station within a narrow time window, the tool flags them as duplicate spins. This prevents double-counting the same broadcast in airplay analytics.
What about stations that simulcast the same programming?
Simulcast partners that broadcast identical content are separate stations with distinct call letters and frequencies. The tool keeps them as individual entries unless they share the same call sign. However, playlist duplicates between simulcast stations are flagged so you can decide how to count shared spins.
Example: Input → Output
name
email
phone
city
status
Alice Johnson
alice@example.com
+1-555-0101
New York
active
alice johnson
ALICE@EXAMPLE.COM
5550101
new york
Active
Red rows show common data quality issues. dataclean.to normalizes and generates JSON-LD automatically.