Re: [digitalradio] Re: Sound Card Quality Digital Modes?

2006-11-07 Thread Simon Brown
I use PSK / Olivia at the moment, by the end of 2006 RTTY and computer-decoded CW (I am writing new digital mode software now). What I look for: * High dynamic range, at least 90 dB. * Accurate clock (although software can overcome this). * No inter-modulation. * Quiet. The cheaper

Re: [digitalradio] Re: Sound Card Quality Digital Modes?

2006-11-07 Thread KV9U
Simon, We have so many sound card modes now, with varying abilities to get through under difficult conditions and do it reasonably fast ( 40 wpm). Do you see any chance of an ARQ mode? Especially using pipelining to decoding in the background such as was used in SCAMP? The closest thing right

Re: [digitalradio] Re: Sound Card Quality Digital Modes?

2006-11-07 Thread Simon Brown
Hi Rick, I honestly can't answer these questions now, my plans for 2006 are PSK / RTTY / Olivia / CW. When I get this done then I could consider ARQ. Simon Brown, HB9DRV - Original Message - From: KV9U [EMAIL PROTECTED] We have so many sound card modes now, with varying abilities to

[digitalradio] Re: Sound Card Quality Digital Modes?

2006-11-07 Thread kc4ih
I'm using an on board sound card that is probably the cheapest thing on the market, it's in a Compaq/HP Presario. The computer is the absolute sorriest piece of junk I have ever owned but have no problem with WSJT software working meteor scatter and tropo. For PSK I use a RigMate controlled by

[digitalradio] Re: Reed-Solomon identifier for automatic detection of the digital mode

2006-11-07 Thread Bill McLaughlin
Yes Andy, so far it is very very encouragingwith limited usage it seems to address the what mode it that question...more trials are needed though... 73 and be well, Bill N9DSJ --- In digitalradio@yahoogroups.com, Andrew O'Brien [EMAIL PROTECTED] wrote: Has anyone played around with