RX-PSK31
version v3.0.1
priority update

A Windows PSK31 receiving program
specially designed for SWL's

It's compact, It's handy, It's powerfull, It's easy to use and It's FREE!

What does RX-PSK31 do?

Easy to use Audio Spectrum- and PSK31 decoding program specially designed for SWL's who don't need TX or for anyone who just like to monitor PSK31 or analyse signals. Adjustable DSP and Spectrum settings for audio and frequency spectrum analasys or to set it for best decoding of PSK31 signals.
Decodes very well even under very noisy conditions!
Has an option to calculate the direction and distance between two locators.
You can open/save the received PSK31 data and open/save the Waterfall as a BMP to disk.
Receive waterfall id's or picfall images.
Automatic logging of all received PSK-text to a file on your harddisk and has a handy internal Notebook build in.
A build-in alarm will notify you when a certain word is found in the decoded PSK31 text.
IARU locator calculator build in

It supports 3 PSK31 demodulation modes:
BPSK (Standard PSK31 signals)
QPSK LSB
QPSK USB
Possible to read PicFall images and Waterfall ID's

RX-PSK31 Features

• . Decodes very well even under noisy conditions!

• · Multiple soundcard support.

• . Phase Tuning Indicator

• · Ability to enable and disable receive channel while running.

• · Threshold adjustable noise activated squelch control.

• · PSK31 Signal strength/quality value available for squelch and display.

• · Soft decision Viterbi decoder for QPSK mode

• · Frequency Spectrum data available for Display 0 to 3500 Hz with 3.9Hz resolution.

• · Log or 4th root frequency spectrum data formats.

• · S/N qualified IMD measurement data.

• · Soundcard clock error measuring and compensating capability.

• · 32000 character receive buffer.

• · A fast AFC mode can be used to track doppler shifting BPSK signals up to +/-20Hz/Sec.

• · Ability to read and write decoded spectrum data to BMP files.

• · Open/save psk decoded text files.

• · Printing.

• · Notebook.

• · Color settings of text-window and Waterfall.

• · Enlarged size of waterfall for better audio spectrum analisys.

• · Cut/Copy and Paste.

• · Autolog received PSK31 data to disk.

• · Maidenhead locator module!

• · No special RX or TX interfaces: uses your Soundcard!

• . PSK Alarm to warn you when a certain word is received

• . Possible to save waterfall images

• . Can be used for audio spectrum analyses

• . In full screen a background skin can be used

• · Easy to use!

• . Works in all Windows versions!

What's new in version 3.0.1

• 3.0.1 = priority update: application error after first run: fixed
  Setup exe renamed to avoid conflicts during install.
  Opening logs and text files sometimes added an empty line in between the text: fixed

• 'Huge Cosmetic changes and re-arrangement of buttons
  'Locator module now on the main screen
  'Locator module improved and easier in use
  'Screen position can be stored
  'pause buttons for receiving PSK and/or waterfall
  'Pausing text decoding or waterfall shows "pausing" icon
  'Find, Alarm and Personal Notebook buttons
  'separate folders for text/log and waterfall files which opens accordingly
  'Drag-drop locator from the text window to the IARU-Locator input box (text is analysed and truncated if needed)
  'Copy text to IARU-Locator input box (text is analysed and truncated if needed)
  'RX-PSK31 starts with date and time in reception window
  'Switching between enlarged waterfall or text-window obsolete
  'Vista and windows 98 issues solved
  'Enable/disable PSK-alarm from Options-menu
  'Enabled PSK-Alarm or Autolog is shown in bold (status bar)
  'menu clear waterfall did not work
  'Font selection is alfabethically sorted
  'Font size can be defined
  'Font setup is displayed with correct colors and formatting
  'RX-SSTV awareness (run RX-SSTV from in RX-PSK31)
  'updating to new version keeps the original settings and move the proper files to the proper folders
  'new program icon
  'Debugged the hell out of it...
  

Hardware/software:

• Works on any Windows version 95/98/2k/Me/NT/XP

• You need a 200MHz Pentium or faster CPU to use all capabilities.
  Note: There is a special version compiled for "slow PC's" but it works only under Windows 95/98. This "Slow PC" version is no longer update, but with this version a 486DX3 and 8Mb should do the job just fine.

• 16-bit soundcard or better and at least 800x600 screen resolution

• A SSB receiver...

Best of all: It's FREEWARE!

• More information about the mode PSK-31

Screenshots

DOWNLOAD RX-PSK31 v3.0.1

RX-PSK31 v3.0.1 (Setup_RXPSK31.exe 570kB+-)

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