Requirements to run acarsd - ACARS decoder

PC with LINUX or Windows Operating System (except Windows CE)
libc6, libpthread and libncurses 5.x for the LiNUX version (and Tcl/Tk 8.4 if you'll work with the X GUI)
Working sound device /dev/dsp :) (ALSA, OSS or something else)
up to three working Soundcards in your PC
up to six Airbandscanner with (long) audio cable for connection to your Soundcard(s)
Special Y-Adapter to use the TwoInOne feature
Allow Connections from your System to www.acarsd.org / www.planespotting.net / www.skyliner-aviation.de / www.amadeus.net / www.airberlin.de / www.flytecomm.com on Port 80 for Icons, News and Serverlists

Requirements for acarsdclient

libpthread and Tcl8.4, Tk 8.4 and libjpeg installed on LINUX
PC with LINUX Operating System (X Display) or Microsoft Windows (except Windows CE)
Working Internet Connection. Allow connections from your host to outside port 2202 in your Firewall!
Connection to one (or more) acarsd Servers

testing environement

acarsd for Linux was tested under:
SUSE Linux 7.3, Kernel 2.4.19, OSS Drivers, Soundblaster AWE64
SUSE Linux 7.0, Kernel 2.4.10, ALSA Modules, Crystal CS4236
SUSE Linux 7.3, Kernel 2.4.19 / 2.4.22 / 2.4.26, ALSA Modules, ESS 1686 Soundcard
Debian Linux, Kernel 2.4.22, ALSA Modules, ESS1371 Soundcard
Debian Linux, Kernel 2.4.18, ALSA Modules, ESS1371 Soundcard
Debian Linux, Kernel 2.4.20, ALSA Modules, SB Live! Soundcard
Debian Linux (sarge), Kernel 2.4.27, ALSA Modules, ESS 1686 Soundcard

CPU usage

The CPU usage depends on how many soundcards are in use and also from the sampling method (one channel or two channels).
The server on acarsd.acarsd.org is an Pentium 133MHz with 64MB Memory. Linux OS. 2 channel decoding. 10 passes cannot be used. The limit (without loss of sounddata) is 4-5 (depending on the current traffic).

acarsd for Windows was tested under:

Windows 95, Windows 98, Windows 98SE, Windows XP, Windows 2000 and Windows NT (SP 4 and SP 6a)

acarsdclient was tested under:

Linux Kernels 2.4.18 / 2.4.19 / 2.4.20 / 2.4.26, TCL 8.4.1, TK 8.4.1
Linux PPC, TCL 8.0, TK 8.0
Windows 95, Windows 98, Windows XP, Windows NT and Windows 2000

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Windows 95, Windows 98, Windows ME, Windows 2000, Windows XP are registered trade names of Microsoft Corporation.