The station transmits at least four live programs a week.
For a period of time prior to October, 1991, the station "went dark" and did not transmit.
In radio systems, the stations may receive simultaneously, but must transmit one at a time.
However, the station was transmitting a digital signal as of June 13, 2009.
Regular programmes began in July 1951, when the station transmitted for one hour only, three days per week.
Only one station may transmit at a time; other stations must listen and wait for the shared channel to be available.
The station did transmit on medium wave frequency for a while but this was closed down in 1992.
Each station using the special 1x1 call must transmit its assigned call at least once every hour.
The most powerful stations in the two countries transmit with 50 kilowatts of power.
As of February 2008, there are still 51 stations transmitting in this format.