> On Sat, 01 Aug 2009 14:52:10 +0200, Rein Couperus
> 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 want
requires ARQ in all cases.
73,
Rein PA0R
> -Ursprüngliche Nachricht-
> Von: "Stelios Bounanos"
> Gesendet: 23.07.09 16:23:18
> An: digitalradio@yahoogroups.com
> Betreff: Re: [digitalradio] Compressing Data
> >>>>> On Thu, 23 Jul 2009 09:4
> On Thu, 23 Jul 2009 09:45:54 +0200, "Simon (HB9DRV)"
> said:
> Thinking to myself - when we use a mode such as Olivia / MT63 with extensive
> error correction, why don't we compress the text?
> Given that fldigi has the wrap feature then surely compression could be /
> should be consi
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"
> Is it possible to compress a file and lose even one bit during the
> transfer and still have something usable on the recei
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:
>
>
Thinking to myself - when we use a mode such as Olivia / MT63 with extensive
error correction, why don't we compress the text?
Given that fldigi has the wrap feature then surely compression could be /
should be considered for some modes?
I think I'll add something in my own code that shows the
