<a href="http://www.artex.net/3_freq_beacons.html" target="_blank">http://www.artex.net/3_freq_beacons.html</a>
link to one of the manufacturers
<a href="http://www.seaerospace.com/eltenc.htm" target="_blank">http://www.seaerospace.com/eltenc.htm</a>
link to south east aerospace price list about 3K. .USD for the 110-406hm , I guess installation costs must be horrendous in the UK LOL.
[ 21 February 2002: Message edited by: widgeon ]</p>