On Tue, 29 Mar 2005 13:02:28 GMT, AB2RC
wrote:

Also what would happen if the collar lost
the xmitter signal due to other reasons (dog goes behind a trash can/metal
shed/other large metal object)?

Hi Alex,

At 17KHz this is virtually impossible. It would be like trying to
hide behind a house in Aceh when the wave came in.

73's
Richard Clark, KB7QHC