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(This is Not an official site, the
official site is at40.com)
Who Monitors
Radio Stations?
Mediabase 24/7
Mediabase 24/7 uses
people instead of computers to identify how many times a song is played
on the radio. The Mediabase 24/7 monitors more CHR/Pop radio stations
than their competitor, BDS. Publications that use Mediabase 24/7 data
include Radio& Records. Mediabase's main website is password
restricted, but you can some information at Mediabase Music.
Broadcast Data Systems (BDS)
BDS electronically
monitors radio stations and counts how many times a song is played.
This data is used by Billboard and its sister Airplay Monitor magazines
in making charts. For example, the Top 40 Mainstream chart is compiled
by counting how many times a week each song on a Top 40 mainstream
station is played. The song that is played the most is Number One.
Some
Examples of Radio Stations of Differing Formats
Mainstream Top 40
- WDJX,
is in Louisville, KY
Adult Top 40:
- WZPL,
in Indianapolis, IN
- WLBC,
is in Muncie, IN
- Q-Mix, is in Columbus, IN
- WQXE,
is in Elizabethtown, KY
- KRXY, in Olympia, WA
Adult
Contemporary
- WYXB
is in Indianapolis, IN
- WMEE,
is in Fort Wayne, IN
AAA:
- WTTS, in Indianapolis/Bloomington, IN
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This page last updated March 27, 2007
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