<http://www.digitalready.gov.au/>

Planning Phase:
Meticulous planning will save time and money, reducing the risk of unforseen delays, poor quality of service and the need for significant troubleshooting. Key issues to be considered are:-

Use of Single Frequency Networks (SFNs) can provide a spectrally efficient solution, but are complex in planning and design;

http://www.broadcastaustralia.com.au/broadcasting/tv-services/digital-tv/migration-to-digital

(You guys want 3 frequency (signal distribution) networks?)