TERMINOLOGY
Program data:
Daily reach (Net reach) (NR-%/NR-T)
Daily reach is the share of individuals who have listened to a program for a minimum of 24 seconds (two points of measurement) on an average day (in % or thousand).
Listening time in minutes (UM/UV)
Total listening time (UM) is the average listening time (in minutes) calculated on all individuals (non-listeners included) during a certain time period.
Listening time per listener (UV) is the average listening time (in minutes) of the effective audience during a certain time period.
Market share (MS)
Market share is the share of listening time of one radio program compared to the total radio listening time during a certain time period.
Commercial data:
Reach (cumulated)Net reach is the share of individuals who have heard a commercial campaign at least once (in % or thousand).
GRP
GRP (Gross Rating Point) is the gross reach of an hour with commercial breaks or a commercial campaign. The GRP of one single hour is equal the net reach of this hour. The GRP of a campaign is the sum of the net reach figures of all hours
Sum of contact
The sum of contacts is the projected gross reach (in thousand).
OTH
OTH (Opportunity to hear) is the average number of contracts per individual (GRP divided by net reach).
CPT
CPT (Cost per Thousand) is the cost for thousand contacts and is calculated with the sum of contacts (cost of spot divided by sum of contact).
CPP
CPP (Cost per point) is the cost for one percent-point and is calculated with the GRP (cost of spot divided by GRP).
