-LF software for download.

Here is a small collection of useful free * software for those of you interested in LF working. Links checked June 2008.

I keep a copy of some of the software on this site, if there's a "Download from here" button clicking it will get you the file directly. The "Download from Author" button usually takes you to their home page.

WSPR/MEPT JT ("Whisper") New high-efficiency mode developed by Joe K1JT and Murray ZL1BPU. Now with a Windows GUI. (4MB download).

ARGO . Alberto, I2PHD has put this Spectran-based program together specially for QRSS reception. Nice and simple to use! Build 134 now released with new features (May 11th 2003).

MT Hell A version of this interesting idea by DF6NM. Its written in Q Basic. Extract the archive to a directory C:\Hell (so you won't need to edit it) and view the readme file.

Jason V0.94 by Alberto Di-Bene is a keyboard mode with performance similar to 3sec dot QRSS. Click here for more information.

QRS 4.02 The slow CW and DFCW TX program for Windows, works well with Argo. By Rik Strobbe ON7YD. New features added November 2003.

QRS 3.17 Previous version with LPT port mode, test idents, DFCW etc. and bugs removed.

Argo-Upload Rik's progam to automatically upload screen grabs to the net.

Rapido Rik's progam to automatically download screen grabs from the net.

GLFER. QRSS for Linux. If you are a Linux user Claudio, IN3OTD has written this for you! It sends QRS and has a Spectrum display for RX.

Chirp-Pix by DF6NM. A variation of MT Hell, it sends a bitmap image so that it can be viewed on a Spectrum display.

Version 7.2 of SPECTROGRAM the FFT reception program as originally used for many slow-CW QSOs on LF. * Now $45 shareware.

EASY GRAM .Petr, OK1FIG has built a new front-end for the Spectrogram engine. New version now available.

SPECTRAN . From the same team as Argo comes this high resolution FFT program intended for E-M-E work. Latest version available.

SPECTRUM LAB DL4YHF's spectrum analyser program has lots of useful features: PSK terminal, VLF receiver, RDF mode. New version 2.2 out 15 Sep 03. Download, unzip and run the exe file.

PSK08 for Spectrum Lab.Small user file to configure the software for slow PSK. (Right click and save target)

TANT 136 is a program by Reg G4FGQ for calculating the performance of a T antenna. Gives loading coil info and matching plus ERP. All Reg's programs are available here.

Try PSK31, narrow-band keyboard to keyboard mode suitable for LF. There are a number of Windows, DOS and Linux programs on the site.

PSK08. A slow version of PSK, especially suited to long distance LF work. Uses the EVM development card.