Xref: utzoo rec.ham-radio:29456 sci.electronics:16800 rec.radio.shortwave:4801
Path: utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!oakhill!charlie
From: charlie@oakhill.UUCP (Charlie Thompson)
Newsgroups: rec.ham-radio,sci.electronics,rec.radio.shortwave
Subject: LLWAS Info needed (windshear alert system)
Keywords: LLWAS
Message-ID: <4414@radio.oakhill.UUCP>
Date: 8 Jan 91 04:29:05 GMT
Organization: Motorola Inc. Austin, Tx
Lines: 14


 I am looking for documentation/manufacturer/prime contractor
on the LLWAS system.  That stands for Low-level Windshear Alert
System.  LLWAS data towers are located in a giant ring around
selected airports (here in Austin for example).  The LLWAS
towers time share 162.325 MHz and transmit low speed digital
telemetry to the airport tower (or somewhere!).     
 
A simple DSP modem could decode this stuff easily...I just need
to know the modulation format and more importantly the DATA format.
Any info would be appreciated!

-Charlie Thompson
WB4HVD