I have noticed that some of the jetters (more the turbine types) can be a bit lax about protecting the receiver crystals. Take a look at this pic on the web page noted and you might think twice about just tie wrapping the receiver to a board. Thats a REEEEEEEl thin strand of wire that is hanging our $6000 plane in the air. Scott
http://www3.sympatico.ca/rwoolley/5.htm#section1