I will be on 14076.25 with JT8 most of today TOL = 400
Andy K3UK --- In digitalradio@yahoogroups.com, Andy obrien <k3uka...@...> wrote: > > I will be QRV over night using JT8 mode. I will xmit when in shack > and "listen only" while sleeping. 7076 USB > > Andy K3UK > > > 4. Alternative Modes for EME, Microwaves, and QRP at HF > > JT8 is proposed as a possible alternative to JT4. Modulation is 8-FSK > at 2.857 baud. FEC uses convolutional codes with K=14, r=1/4, K=15, > r=1/6, or K=16, r=1/8, depending on message length. Synchronization > uses 8�8 Costas arrays at the beginning and end of a transmission, > followed by two additional symbols to distinguish between 30-bit, > 48-bit, and 78-bit messages. Total bandwidth is 23 Hz. At present, > only the 78-bit messages have been implemented. >
