There shouldn't be a need to install any earlier release before Build 282 or Build 284, but in case there is a particular need for a prior release, here are the earlier releases for download.

Build 280
Build 281
Build 274
Build 273
Build 272
Build 267
Build 256

The G8JCF.UK domain is registered with whois.com , where a 10 year .UK domain costs (2024) around US $ 79, ie less than US $8 per year which is IMO great value, and such a cost effective way of having an Internet presence. The DNS provider for G8JCF.UK is DYNU.COM , free. The G8JCF.UK Internet prese...

I am GM8JCF, Peter K G Carnegie, living in the historic fishing village of Cullen, https://discovercullen.com/ , Banffshire, Scotland, or Moray (Whisky Country) as it's known these days. The board's banner photograph features the famous Cullen Railway Viaduct. In the summer, Cullen is packed with &q...

Welcome to G8JCF's Forum The place where users of G8JCF s/w, eg G8JCFSDR, OLCTL, can meet to exchange ideas, post problems, seek advice, and find out what's new. I will be adding "stuff" as an when I have the time and of course when there is new stuff to add Suggestions for content are mos...

Build284RPI.png Installing the G8JCFSDR on a Raspberry PI, requires Build 284 or Newer I used an RPI 4B with 4GB RAM running 32 bit Buster, and the same with 32 bit Bookworm. NB I found Bullseye to be very temperamental, and WINE64 wouldn't install at all on either 64 bit Bullseye or 64 bit Bookwor...

Release Notes Build 282 Build 282 has many fixes and new features - see the QuickStartGuide for more details. Higher IF sampling rates of : 48000 48KHz spectrum display width 96000 96KHz spectrum display width 192000 192KHz spectrum display width 384000 384KHz spectrum display width assuming that yo...

Release Notes Build 284 Build 284 includes all the features in build 282, eg Rotary Encoder tuning, see https://bb.g8jcf.uk/viewtopic.php?t=29 Windows XP Compatibility Build 284 restores Windows XP compatibility. I think I inadvertently broke XP compatibility in Build 280 – apologies to all those ru...

https://www.g8jcf.uk/olctl/olctl_screenshot_v2.3.0.0.png Olctl is a utility which controls the frequency and operating mode of Fldigi. Weak signalling modes such as Olivia are difficult to discern using the usual human senses of hearing and sight which is how Amateur Radio operators have found each...

Windows/WINE https://www.g8jcf.uk/olctl/downloads/setup_olctl_2.4.0.0.exe Linux inc RPI https://www.g8jcf.uk/olctl/downloads/olctl-2.4.0.0.deb MacOS https://www.g8jcf.uk/olctl/downloads/olctl-2.3.pkg Raw Bundle https://www.g8jcf.uk/olctl/downloads/olctl-2.4.0.0.zip [/b][/font] Choosing the appropri...