The short thick black lines show TX frequencies. In MultiFSK mode mouse click defines lowest radio frequency, not center one. To change the center frequency, click on the desired frequency (probably between the peaks). In most modes you see two vertical line in PSK modes - only one. The vertical red lines in this window show the working frequencies of the RX filters. In the top window the current spectrum of a signal (blue line) and a peak detector of spectral components (green line) are shown. The working area of the program is divided into several windows, the sizes of which can be changed by the user by dragging the borders. It is fast and convenient to use with many macros for transmitting. A simple circuit for PTT-control can be used. You only need a transceiver and computer ( Pentium-100 or better) with a sound card. SELFEC SITOR, AMTOR-ARQ (SITOR-A) and DTMF-code decoding is also possible. HF-PACKET and UHF-PACKET (AX25) are supported in KISS-TNC emulation mode. PSK31 (BPSK and QPSK), BPSK63, QPSK63, BPSK125, AMTOR-FEC (SITOR-B, NAVTEX), Supported modes are RTTY (Baudot code), ASCII (7 or 8 bits), Simple software to handle devices connected to LPT portĪ program for amateur radio digital communications via a sound card. A tool for monitoring popular web-cluster service from OH9W/OH2AQ Radio Club RTTY software, Digital mode ham radio - AMTOR, PSK31, AX25.

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