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Radio's Reach


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An analysis by Media Dynamics Inc., of varied weight level schedules illustrates that the greater the number of stations included within a buy will deliver higher reach and lower frequency when compared to those same weight levels purchased on fewer stations.

The analysis also showed that as weight levels increased, reach levels also increased. The same was also true as additional stations were included within the buy at those same increased weight levels.

It is important to determine the goal of the overall campaign. The goal will determine the structure of the plan. Simply stated: A reach campaign should include numerous stations over an extended period of time. If the goal is to increase frequency, then the converse is true: Reduce the number of stations and weeks and increase the number of spots placed on the stations purchased.

Estimated Reach
By Multiple GRP, Week and Station Levels

 

3-Station Buy

5-Station Buy

7-Station Buy

10-Station Buy

GRPs

1 WK.

4 WK.

1 WK.

4 WK.

1 WK.

4 WK.

1 WK.

4 WK.

100

26.6

28.9

28.9

30.9

30.3

32.2

31.0

34.8

150

30.9

34.0

39.3

36.5

36.5

39.5

38.5

42.4

200

35.0

38.8

44.3

43.5

42.0

45.0

43.9

49.1

From Radio Dimensions 2013, ©Media Dynamics, Inc., 2013
www.MediaDynamicsInc.com