About Calian

Calian GNSS (Formerly Tallysman Wireless): With global headquarters and manufacturing in Ottawa, Canada, Calian GNSS is a leading manufacturer of high-precision GNSS and Iridium antennas, smart antennas (antenna with built in GNSS receiver) and accessories supporting a broad range of satellite-based positioning, and navigation applications.

We are known for Accutenna®, VeraPhase®, VeroStar® and Helical antenna technologies. These technologies are among the highest performance antennas (low axial ratios, high multi-path signal rejection, tight PCV) in their size and weight, while setting economical price points. Calian’s antennas are the antennas of choice for a wide variety of applications.

Calian Key Lines

Helical GNSS Antennas
- Single/Dual/Multi-Band

Permanent Mount GNSS Antennas
- Single/Dual/Multi-Band

Smart Antenna - Receivers

Calian News

Calian® adds HC979XF and HC979EXF full-band helical GNSS antennas to its helical antenna line-up

Calian GNSS Ltd. adds their multi-constellation, full-band GNSS-housed HC979XF and embedded HC979EXF antennas to its industry-leading line of helical antennas. The HC979XF antenna has been designed to provide optimal support for the entire GNSS band, including: GPS/QZSS L1/L2/L5.

Calian adds three new multi-constellation, full-band Accutenna® GNSS antennas to its TW3000 XF antenna family

Calian® GNSS is excited to announce the addition of a line of multi-constellation, full-band Accutenna® GNSS antennas to its TW3000 XF antenna family.

Calian introduces the SSL990XF – the smallest and lightest full-band, precision GNSS antenna on the market.

GNSS Ltd. is excited to announce that it has added the housed SSL990XF full-band survey-grade GNSS antenna to its industry-leading line of GNSS products.

Get In Touch