Reference

This involved changing frequencies of approximately 1,250 digital TV channels across 373 transmission sites, with additional adjustments at 53 more sites, resulting in a total of 426 affected sites requiring around 346,000 hours of work. A huge undertaking. The mySwitch website was well known as the most important resource in Australia to help ...

RF Channels and Centre Frequencies. Australia's TV broadcasting uses VHF and UHF frequencies with a specific bandwidth of 7 MHz for each channel. This means that each successive channel is 7 MHz apart from the previous one. Here's a detailed breakdown of the RF channels and their corresponding centre frequencies:

Once the switchover was completed a restack occurred that involved digital television services being retuned to new frequencies to free up spectrum for new services, such as mobile broadband. About 1,500 digital television services at about 440 transmission sites had their frequencies changed. See the video on The Retune story. Television Reception