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  Links to Software Defined Radios (SDR)

Software Defined Radios have been available for years already. When in late 2007 the Perseus receiver was introduced to the market, first tests confirmed outstanding performance, but, even more important, new options regarding frequency observation became available to the DX community:
A range of up to 1600 khz can be recorded simultaneously, while all signals in this range can be evaluated later. With all functions that exist for usual listening, as notch filter, passband tuning or the choice of filters.
A booklet as well as a review were edited by Nils Schiffhauer (in German):

>Perseus Booklet by Nils Schiffhauer (pdf, 50 pages, German)
>Perseus test from Funk Telegramm 12/07 (pdf, 9 pages)
 
Online map based logging

Software Defined Radios brought a new dimension to DXing: Visualisation. You can see the signals you receive, over a broad spectrum.
Now the next step of visualisation can be explored: Near realtime displays of logs on a world map. See what others hear. Let others see what you are receiving.
Three choices exist so far. The first one is managed by Günter Lorenz. The combination of Perseus and Perseus Databases offers logging by just one mouseclick. A log will be created automatically that includes frequency, date, time, choosed modulation and signal strength.
More than 26,000 datasets of MWList, the Tropical Band List (TBL) and a NDB list support this functionality. It has never been easier to create and maintain a log book!

>Log map, based on MWList by Günter Lorenz and the Tropical Band List by Willi Passmann
>Register at MWList for Online Logging! Further help on page 1 of the Perseus Databases.


Three other lists are reflecting digital modes of amateur radio:
>PSK Logs, automatic logging with Ham Radio Deluxe / DM780
>WSPR Logs
>D-Star users (Digital Voice)
 
SDR Hardware
SSB-Electronic

      Perseus SDR:
>Manufacturer's page by Nico Palermo, IV3NWV
>Product page by SSB-Electronic, with sound files
>Perseus - Software and Manual (pdf)
>Perseus FAQ

      More SDR receivers:
>Winradio by Rosetta Laboratories, Australia
>Winradio page by SSB-Electronic
>SDR-IQ, 14 Bit Receiver
>SDR-14, 14 Bit Receiver
>SDR-IP, internet protocol (TCP/IP) software defined radio
>SDR-1000 by FlexRadio Systems
>CIAO Radio H101 (pdf from Funkamateur 11/06, 2 pages, German)
>SRL QuickSilver QS1R, open source SDR
>Further projekts, link list by F4DAN

      Accessory:
>Griffin PowerMate/GTW-1 Tuning Wheel, external USB-Tuning Knob
>Shuttle Pro II, external control center for Perseus

      Broadband Antennas:
>Wellbrook ALA-1530S Loop
>CIAO L-101 Loop
>WL1030, Wideband Loop design for self-construction
 
SDR Software

>Perseus Third Party Software Guide by Willi Passmann

        Receiver operation:
>Winrad Software for Software Defined Radios
>PowerSDR Open Source Software
>SDR-Radio over internet - listen online!

      Frequency Databases:
>Perseus Databases by Willi Passmann, set of up-to-date frequency lists
>StationList by Jurgen Bartels, incl. Offsets

      Updates for Perseus MEM window:
>HFCC List (official part, censored)
>'EiBi-List' by Eike Bierwirth
>List from the Nagoya DX Circle in userlist format
>Userlist from MWList, LW-MW-SW, calculated for your location!

      Decoding:
>Download of Dream Software for DRM
>Download of qt-mt230nc.dll for Dream
>VAC - Virtual soundcard, for DRM / Decoding
>MM Hamsoft, Freeware for RTTY, SSTV, PSK
>MixW, shareware for CW, RTTY, Amtor, Pactor, SSTV, Hellschreiber
>Digital Master 780, Freeware for PSK, QPSK, CW, DominoEx, Hell, MFSK, MT63, OLIVIA, RTTY, THROB, SSTV with Scottie and Martin modes

      Propagation:
>AREPS (Advanced Refractive Effects Prediction System)
>IonoProbe 1.34, Shareware by VE3NEA
>VOACAP Quick Guide
>Sun Clock 6.0, Freeware for world time and greyline visualization
>DX-Toolbox, searches web based information on solar and geomagnetic conditions

      Further Software:
>Spectrum Lab, Audio-Analysis Freeware by DL4YHF
>SplatAway, digital splatter limiter by Jürgen Bartels
>Autohotkey Script for automated recording, by Dr Matthias Zwoch
>Record-Timer 0.1 for automated recording, by Wallauer
>Perseus Record Scheduler PRS_0.98a by Alessio Miani
>Perseus WAV Chopper Software V3.0 by Chuck Hutton
>EiBi-Format Tool by David L. Salomon, KG4FJH for converting frequency lists
 
SDR Sources

      Mailing lists:
>Perseus mailing list by Nico Palermo, IV3NWV
>Perseus special page from mailing list A-DX (Austria)
>Mailing list for Rosetta Winradio (Yahoo)
>Mailing list for Winrad Software (Yahoo)
>Mailing list for SRL QuickSilver QS1R (Yahoo)

      Reviews and Reports:
>DX-Holiday of Udo Deutscher visiting Wilhelm Herbst in Denmark
>5 below zero - Perseus blog with Perseus wav archive by Guy Atkins
>Personal observations by Ken Baird
>Impressions by Bjarne Mjelde, Norway (pdf, 4 pages)
>SDR Blog by DH1TW
 

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