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In Reply to: RE: RTTY & PAK-ratt posted by FenderLover on July 21, 2015 at 20:55:41
There are dozens of free software based RTTY decoders out there:
http://www.dxzone.com/catalog/Software/RTTY/The very popular Ham Radio Deluxe bundle will decode and transmit RTTY and a number of more modern modes via your PC soundcard interface. It does a bunch of other things as well.
Digital Master (DM-780) is the component of Ham Radio Deluxe that supports RTTY and other modes:
http://www.ham-radio-deluxe.com/features.html#DM780Long list of supported digital modes:
http://www.ham-radio-deluxe.com/supported_modes.htmlPlus there are still hardware based solutions that decode RTTY and other modes:
Many modern HF Ham Radio Transceivers have RTTY decoding built-in and will display on their LCD screens.
Edits: 07/21/15Follow Ups:
Thanks! Very interesting. I will look into these.
I remember a product which had an old school serial RS-232 connection to your computer. I'm not even sure my computer has this type of port. Anyhow, there are adapters.
^ Sounds like the RS-232 gizmo I have, from Software Systems Consulting (late '80s, early '90s). There are excellent RS-232-> USB adapters (some are crap) that work with just about everything RS-232 IME with a modern PC. I have a lot of weird RS-232 stuff, man that was sure one bastardized "standard".
Yes, with software it does many of the things Abe mentioned, like "PC SWL" for all the different styles of transmitted code. Dealing with ham-sent Morse code is the most awkward, the machine-sent code is much easier to capture (error-free) due to its consistency.
The advantage of sending slow fax via SW is it's extremely tolerant/resistant to very adverse conditions when other communication methods choke. You could probably lose 30 seconds (or much more) in a row and still have a completely useable/readable result. Kinda like a text getting through when the network capability is limited/clogged during a disaster/emergency, though for totally different reasons. Code/CW is also desirable during emergency conditions, it "punches through" when voice comms sometimes don't.
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