1. Program for operating PSK31/RTTY modes with X GUI linpsk is a program for operating on amateur radio digital modes. linpsk currently supports BPSK, QPSK, and RTTY modes, and it provides an X user interface. linpsk's main features are: --simultaneous decoding of up to four channels --different digital modes may be mixed --trigger text can be defined on each channel --each channel can be logged to a file --user-defined macros and two files for larger texts --spectrum and waterfall displays, both scalable in the frequency domain. At the Moment RTTY only supports 45 baud and 1.5 stopbits. From Debian 3.0r0 APT