Sigmira is a Software Defined Radio (SDR) application program that runs
on Windows. It operates with the RFSpace SDR-IQ™ receiver or with an
external conventional receiver. Sigmira offers wideband spectrographic
and waterfall displays. It also demodulates various "Ham" radio signals.
Its features include:
"Waterfall" and spectrograph displays of up to 200 kHz width with the
SDR-IQ™.
Selectable demodulation of PSK31, RTTY, and CW "digital" modes.
Point and click signal selection/tuning.
Playback of saved .wav files.
16 bit sampling. Typical sampling rate: 48 ksps.
Signal strength meter.
Adjustable squelch.
Clock display with UTC and local time.
The distribution package includes examples of PSK31, RTTY, and CW
signals in .wav files.
And it's free.
http://www.saharlow.com/technology/sigmira/index.htm
