It began testing the broadcast on December 12, shortly before knowing the analog frequencies assigned to Madrid and Barcelona.

The number of channels placed on a single analog frequency depends on the compression used.

After nearly every home has converted to digital television, the broadcasters will turn off their analog transmissions and return their analog frequencies to the commission.

Shadows and multipath still plague this analog frequency modulated transmission mode.

The transition to DesertSky has been slow, and some analog frequencies will remain for outside access after full utilization.

Digital transmission offers higher quality compared to analog and solves the problem of the scarcity of analog frequencies.

The analog frequencies will most likely be sold to wireless telephone and other telecommunications providers.

More cell sites are filling the landscape in clusters to accommodate runaway subscriber growth and digital networks whose signals do not travel as far as analog frequencies.

This contract expires in 2018 and only affects the analog frequencies used by the station.

Digital cable is a method of delivering cable television as digital data instead of analog frequency.