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 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 codes. After you receive all parts and run them through > 7plus, if there are errors, the application will generate a "request" > message, which will identify missing parts to be repeated. > > 73, Vojtech AB2ZA > > -- *Skip KH6TY* http://KH6TY.home.comcast.net
