Which political parties spent up big on radio

Aircheck (aircheck.net.au) has revealed the top advertisers on radio during the federal election.

Measuring political advertising in Sydney, Melbourne and Brisbane, Aircheck shows that at the end of the 2013 official campaign, the ALP and the Palmer United Party were the top advertisers in the three markets.

There are some fascinating snippets in the information; some stations that received advertising from only one or another of the parties. See all the graphs below: