August 3, 2017

An updated version of Flying Squirrel 1.9.0 available for download. See release notes under the "Download" tab for detail update information.

A new version of Orb-weaver Cellular has been added to the Orb-weaver family that provides 24/7 Cellular, Wi-Fi and Bluetooth monitoring.

The Orb-weaver Family contains the following:

  • Orb-weaver Wi-FI (32-bit and 64-bit)
  • Orb-weaver Wi-Fi Observer (32-bit and 64-bit)
  • Orb-weaver Cellular (32-bit and 64-bit)
  • Orb-weaver Cellular Observer (32-bit and 64-bit)

Both versions of Orb-weaver Wi-Fi and Orb-weaver Cellular 1.9.0 is available for download. An updated Orb-weaver Installation Guide for both versions of Orb-weaver installation and is available for download under the "Documentation" tab.

March 19, 2014
The Live CD files for FS 1.6.1 that were added to the site on March 14th were corrupted. The correct files have been uploaded as of today, March 19th.

March 12, 2014
Orb-weaver provides 24/7 802.11 monitoring using COTS Ubiquiti UniFi sensors over a dedicated network. New capabilities include significantly improved localization performance, inactive transmitters “fading out” in Woodchuck, bug fixes, and numerous performance improvements.

For detailed information on Orb-weaver, please refer to Appendix B in the DOD Wireless CONOPS, under the documentation tab. For assistance deploying and planning an Orb-weaver installation, please contact

October 7, 2013
Windows FS v1.5.5 and Linux FS v1.5.5.1 are available. Some of new capabilities and features in the latest version of Flying Squirrel include Bing Maps Imagery, smart card live CD support, and additional new capabilities in MeerCAT-FS, such as Known Devices view to manage trusted, friendly, and rogue devices. Please see the release notes under the Download tab for additional release information.

September 6, 2013
FS is on the DOD Unified Capabilities (UC) Approved Product List. (APL). The approved memo is available under the "Documentation" tab.

FS classroom training is available via Exelis. Please contact for detail information.

March 22, 2013
Computer-based training for Orb-weaver is now available.

February 1, 2013
Flying Squirrel 1.6 (Orb-weaver) now available.
Orb-weaver provides a wireless persistent monitoring capability using a network of customized Ibiquiti UniFi sensors. NRL would like to coordinate with interested users directly. Please email or contact the FS HelpDesk.

December 5, 2012
Flying Squirrel 1.5.4 is now available. The new release includes 802.11ac support, performance improvements, and bug fixes.