Specifications include, but are not limited to: The Pennsylvania Game Commission is collecting bids for fifty (50) Iridium adult GPS radio-collars, 50
vaginal implant transmitters, and 50 expandable neonate collars to be used on Rocky mountain elk
Each Adult GPS Radio-Collar must:
• Be designed for use on free-ranging rocky mountain elk, and upon request, be supported with
examples of their use on current elk studies.
• Use GPS technology to collect accurate locations and transmit location data on a predetermined
schedule using an Iridium satellite connection.
• Store internally all location, activity, and temperature data collected during at least 2 years of
• Have two-way communication via Iridium for changing GPS schedules.
• Have a battery life of approximately 2 years with 1 GPS fix every 13 hours, 1 GPS fix per Iridium
message (e.g., once per day), and a VHF beacon on for 20 hours per day.
• Contain a VHF beacon.
• Contain a mortality sensor.
• Contain a 3-axis activity sensor.
• Contain a temperature sensor.