At 10:11 AM 9/29/2008, you wrote: >DV stands for Digital Voice and DD stands for Digital Data. >Slow-speed is 1200 baud. However, DD refers specifically to the high speed data mode on 1.2 GHz. The DV data channel is not DD in D-STAR speak. It's the DV low speed data channel. 73 de VK3JED http://vkradio.com