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Polling is the process of transmitting the data from the peoplemeters to the central production centre.
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In most cases, this occurs daily between 0200h and 0600h via the home’s fixed telephone line or a GSM modem installed in the meter’s transmission unit.
Every night, the data stored in the memory of the online peoplemeter is retrieved (polled) via telephone lines,
cellular telephone networks or dedicated radio frequencies using Pollux, Nielsen’s production software.
