DR wants to replace FM transmitters in 4 sites in Denmark due to age, lack of spare parts and power in-efficiency. The transmitters have been in operation for more than 30 years and the manufacturer has stopped service and spare part stock years ago. The development and new techniques has increased the power efficiency and overall performance of FM transmitters. Green company policies and power savings makes replacement of FM transmitters an area of focus. DR has identified 4 sites that need replacement of FM transmitters. In each site is there 4 identical transmitters, 3 ‘on-air’ and one spare. This gives a total of 4pc. 10kW transmitters and 12pc. 5kW transmitters.