User talk:Rfwatts

Garmin Dog Tracking Collars

Intro

Garmin manufactures various animal tracking collars. These collars are often used by hunters to locate their dogs and flush out their quarry. The collars contain a VHF radio that periodically transmits it's location and other information to a special reciever, where data can be displayed on the receiver screen.

Models with pictures

• DC20
  

• DC30
  

• DC40
  

Theory of operation

Frequency table

Timeslot versus ID table

Data attachments (FCC, etc)