New P4 (Pactor 4) Modem Dragon DR-7800

New equipment

New P4dragon DR-7800, a completely new development, and the first PACTOR-4 capable short-wave modem. P4dragon stands for the most ingenious data transfer algorithms and the highest computing power possible in PACTOR controllers of the 4th generation. The fast quad-core DSP used in the DR-7800 enables for the very first time, a high data rate, approaching…

New SCS Protocol PACTOR-4 (P4) released

New equipment

The high speed protocol PACTOR-4 (P4), is THE HF-Data protocol of the 4th generation, using the most modern methods of adaptive channel equalization, channel coding and source compression. The resulting highly adaptive ARQ mode adjusts itself almost perfectly to the varying conditions of the short-wave channel. Due to the narrowly synchronized ARQ grid (like with…