IAL Beacon Receiver
IAL 8509
For those who know what one of these is, or are just curious. This receiver is for fixed monitoring of navigation beacons in the range of 200kHz - 500kHz. If all else fails it makes a fine boat anchor. ;-)
IAL manual (3Mb) - IAL8509.pdf
Some rough drawings I made to convert one to dual-frequency operation PDF (100k)
© Nick B. 2007