[digitalradio] Re: QRV ALE-400 ARQ chat mode -- 14074.0

2009-07-05 Thread Vojtech Bubnik
Hi Skip. The DOS executable is here: http://www.cnunix.com/ftp/hamradio/tapr/software_lib/utils/7plus20.exe The source code is here: ftp://sunsite.unc.edu/pub/Linux/apps/ham/7pl217sr.tgz 7plus is available as installation package in some Linux distributions. I was maintaining 7plus

Re: [digitalradio] Re: QRV ALE-400 ARQ chat mode -- 14074.0

2009-07-05 Thread kh6ty
Thanks Vojtech! 73, Skip Vojtech Bubnik wrote: Hi Skip. The DOS executable is here: http://www.cnunix.com/ftp/hamradio/tapr/software_lib/utils/7plus20.exe http://www.cnunix.com/ftp/hamradio/tapr/software_lib/utils/7plus20.exe The source code is here:

[digitalradio] Re: QRV ALE-400 ARQ chat mode -- 14074.0

2009-07-04 Thread Vojtech Bubnik
so we developed the Wrap program, which sends a checksum at the end of the message, and error-free reception can be verified that way. Hi Skip. From the Packet Radio times, we have a 7plus utility, which splits a longer binary file to multiple parts and adds mild error detection / correction

Re: [digitalradio] Re: QRV ALE-400 ARQ chat mode -- 14074.0

2009-07-04 Thread kh6ty
That's neat, Vojtech. Is there a link to download 7plus? WRAP only calculates a checksum for the entire file, and if it will not unwrap, we just resend the whole file. 73, Skip KH6TY Vojtech Bubnik wrote: so we developed the Wrap program, which sends a checksum at the end of the

Re: [digitalradio] Re: QRV ALE-400 ARQ chat mode -- 14074.0

2009-07-04 Thread Rein Couperus
: [digitalradio] Re: QRV ALE-400 ARQ chat mode -- 14074.0 That's neat, Vojtech. Is there a link to download 7plus? WRAP only calculates a checksum for the entire file, and if it will not unwrap, we just resend the whole file. 73, Skip KH6TY Vojtech Bubnik wrote: so we developed the Wrap

[digitalradio] Re: QRV ALE-400 ARQ chat mode -- 14074.0

2009-07-03 Thread jhaynesatalumni
--- In digitalradio@yahoogroups.com, Rick W mrf...@... wrote: It seems that there are only a handful of hams who have any interest in ARQ modes for chatting. I guess I'm one of that handful, but right now I'm working my way back from some lightning damage that killed two computers, among