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photo of three elk crossing a country road. One male elk is wearing an ATS VHF radio telemetry tracking collar.


We have the right model, at just the right weight and life, with the right attachment, for your species.

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Transmitter Attachments

We've included important application details for each type of attachment.

Neoprene Collars

  • Neoprene impregnated cotton duck belting material is double layered with the antenna placed between the layers, and exiting at the top of the collar (except smallest models).
  • Collars are easy to apply and allow for fitting in the field using use two stainless steel screws and simple locking nuts.
  • External antenna may be either vertical at the top of the collar, or bent slightly backward over the animal's back.
  • Electronics and batteries are enclosed in a nylon case filled with waterproof resin and riveted to the collar material.
  • For relatively long life and more range, the enhanced range option may be used (denoted with "B" suffix).
  • Collar weights are approximate, and are dependant on collar circumference and material.
  • Programmed options available.
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  • For turtles, attached to the carapace using various epoxy adhesives.
  • Glue-on’s are easily attached and removed in the field; little or no affect on turtle's behavior.
  • Field range greater for terrestrial than aquatic species (water interferes with the VHF signal).
  • Enhanced range option available on models with "B" suffix.
  • Programmed option available except on R1600 and R1605 series.
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Nylon Collars

  • Used on lemurs, monkeys, Asiatic deer, any species with sensitive fur or skin.
  • Helpful where animal neck circumference may be uncertain.
  • Holes punched by user to exact requirements using cattle punch pliers.
  • Multiple colors available in two widths, 15 and 25 cm.
  • Extended range option available (“B” models”).
  • Programmed options available.
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Expandable Breakaway Collars

  • Utilizes a stretchable nylon material in place of or in combination with neoprene material.
  • Designed to expand as animals neck grows.
  • Used primarily on juvenile ungulates.
  • Low repeatability of field performance due to animal behavior and environmental factors.
  • Programmed option available.
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Cable-Tie / Tubing Collars

  • Collar consists of PVC tubing covering a coated, braided stainless steel flexible cable. The cable fits through two holes, one on each side of the transmitter.
  • A metal sleeve is crimped to the cable on each side to hold the transmitter in place. OR, more popular now, models using a Zip-Ty are also available.
  • Antenna extends upward from the transmitter, over the animal's head, or runs within the PVC to top of the necklace, exiting PVC extending upward. To make the antenna less obvious, some bend it over, but not touching, animal's back.
  • Design provides a better fit if adjusted for size at the base of the neck instead of being slipped over the animal's head.
  • May be removed from an animal and attached to a different animal in minutes by retying the collar in the field.
  • Ease of attachment reduces time and stress caused by handling. Good field range since antenna is positioned vertically.
  • Programmed options available on M1505 series.
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Ear Tag

  • Use with immature animals or those having seasonal weight fluctuations.
  • Transmitters have short, flexible antenna; field range is less than a collar.
  • Timed duty cycles available to increase life.
  • Two ear-tag transmitters may be attached to the animal for redundancy, and may be turned on consecutively to increase life.
  • Transmitters affixed to All-Flex ear tags.
  • Programmed options available.
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Tail Tag

  • Typically used on beavers.
  • Transmitters use a short, flexible antenna, field range is less than a collar.
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  • Surgically implanted into peritoneal cavity of a mammal and allowed to float freely.
  • Commonly used on mammals whose neck circumference is greater than head circumference, and where neck collars are not appropriate.
  • High skill level required to surgically implant transmitter; involves risk of infection.
  • Field range reduced due to internal coiled antenna and body mass of the mammal.
  • Field range reduced due to internal coiled antenna and body mass of the mammal.
  • Programmed options available.
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Rumen Implant

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Vaginal Implant

  • Inserted into vagina of an impregnated animal with plastic silicon wings designed to retain the transmitter. Used primarily with ungulates.
  • Reduction in temperature or a cessation in activity will sense that the transmitter has been expelled.
  • Indicates a birth has occurred by doubling of transmitter pulse rate. PET option will indicate time since birth.
  • Field range is about one-third to one-half that of collar with an external antenna.
  • Enhanced range option available ("B" model)
  • Programmed options available.
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Trap Monitor

  • Signals when a trap or other device has been moved.
  • When triggered, pulse rate doubles. Elapsed time since triggering event is indicated by counting beeps.
  • 15 minute pre-trigger delay is incorporated to allow for device placement.
  • Includes aluminum housing with attachment holes.
  • Various pulse rate options are available depending on requirements.
  • Programmed options available.
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Tracking System Options

GPS Systems

Today's GPS systems have come down in price and weight. ATS has models ranging from as light as 50 grams, up to 700 gram big game Iridium/GPS collars.

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Aerial Tracking

You can get a lot more tracking done more quickly in an airplane.  ATS has all the equipment you need to outfit an aircraft - and your animals - for your aerial tracking project.

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Coded Terrestrial Telemetry

If frequency allocation is an issue for your project, consider a coded system. This will allow you to use several transmitters on a single shared frequency, but each will have its own code.

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Remote Unattended System

Many presence-absence studies involving mammals use one or more data-logging receivers located in strategic positions.  These stations can be provisioned to operate unattended for months using battery packs and solar panels.

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Getting Started Resources