This chart represents the portion of the electronic spectrum that includes frequencies used for broadcast transmission. EHF = extremely high frequency; SHF = super high frequency; UHF = ultra high frequency; VHF = very high frequency; HF = high frequency; MF = medium frequency; LF = low frequency. GHz = gigahertz; MHz = megahertz; kHz = kilohertz. Canada, Japan, Europe and Australia will be using L-band for DAB. The US had proposed the S-band. The US is also developing (IBOC) in-band on-channel.