An appeal to datamode software authors...
Could anyone writing / contemplating any datamode software please consider
incorporating I/Q stereo outputs and inputs. With SDR receivers becoming
more widespread, I/Q audio inputs will allow direct use with simple receivers
such as Rocky and home
A back-to-basics question for once...
Is there any modern RTTY datacomms software that gives a single wire digital
output for driving an FSK transmitter? Looked in the MultiPSK and MMTTY setup
menus and nothing.
While I realise there may be little call for such a one-wire drive now
(a
Does anyone have a valid web address for the NUE PSK31 Modem now. All the
ones found on a Google search seem to be broken
Andy
www.g4jnt.com
The term "Spread Spectrum" can apply to any mode that spreads its energy over
more than the necessary bandwidth. If we assume the necessary bandwidth to be
equal to the signalling rate than anything other than single carrier modes
technically fall into this category.
Even WSPR coul dbe cons
Strictly, CW is a three symbol code with source coding (variable length
alphabet, like varicode) with soft decision coding, and mild FEC (operators
interpretation of the code based on S/N) and some convolutional coding with
soft decisions (matching characters received against patterns / words.