requires ARQ in all cases.
73,
Rein PA0R
-Ursprüngliche Nachricht-
Von: Stelios Bounanos digra...@enotty.net
Gesendet: 23.07.09 16:23:18
An: digitalradio@yahoogroups.com
Betreff: Re: [digitalradio] Compressing Data
On Thu, 23 Jul 2009 09:45:54 +0200, Simon (HB9DRV)
simon.br
On Sat, 01 Aug 2009 14:52:10 +0200, Rein Couperus r...@couperus.com
said:
PSKmail uses normal zip compression and B64 encoding.
On small files with english text the compression reached by using varicode
alone is better.
That is why I abandoned compression for email text. Also, when you
Is it possible to compress a file and lose even one bit during the
transfer and still have something usable on the receiving end when you
uncompress? Normally, you must use ARQ to insure perfect copy. Even MT63
or Olivia can take a hit every so often.
73,
Rick, KV9U
Simon (HB9DRV) wrote:
Depends on the compression, but with ZIP - no, one lost bit and you're -
lost!
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Rick W mrf...@frontiernet.net
Is it possible to compress a file and lose even one bit during the
transfer and still have something