Abstract: A system prevents activation of strobe lights on a vehicle in response to events calculated to indicate a nuisance activation. Directional strobing may be activated based on input from vehicles systems.

Abstract: A hazard beacon has an interface to a vehicle wiring harness configured to detect that vehicle emergency indicators have been deployed, a plurality of separately strobe capable light segments forming a hazard symbol, and a microcontroller controlling operation of the plurality of separately strobe capable light segments.

Abstract: A system of ancillary cabinet for use with an uninterruptible power source (UPS) is disclosed. The ancillary cabinets have modular and reversible features that facilitate the installation of an uninterruptible power supply. The frames for the ancillary cabinets use a galvanized riveted frame design. The frames use pop rivets to allow the units to be shipped flat and assembled easily in the field. The overall size of the ancillary cabinets are consistent with the dimensions of a UPS cabinet. Specifically, the depth and height of the ancillary cabinets match the UPS. Also, the overall cabinet design matches the style, color, and texture of the UPS cabinet. The ancillary cabinets may be bolted to each other and/or the UPS cabinet to form a specific UPS system. The cabinets are serviceable by front access. An inter-cabinet wiring trough (wiring access) in the ancillary cabinets matches up with the UPS.

Abstract: A system of ancillary cabinet for use with an uninterruptible power source (UPS) is disclosed. The ancillary cabinets have modular and reversible features that facilitate the installation of an uninterruptible power supply. The frames for the ancillary cabinets use a galvanized riveted frame design. The frames use pop rivets to allow the units to be shipped flat and assembled easily in the field. The overall size of the ancillary cabinets are consistent with the dimensions of a UPS cabinet. Specifically, the depth and height of the ancillary cabinets match the UPS. Also, the overall cabinet design matches the style, color, and texture of the UPS cabinet. The ancillary cabinets may be bolted to each other and/or the UPS cabinet to form a specific UPS system. The cabinets are serviceable by front access. An inter-cabinet wiring trough (wiring access) in the ancillary cabinets matches up with the UPS.

Abstract: A radio system for determining the range and bearing of mobile equipment, such as an aircraft, relative to reference equipment such as an aircraft carrier, with low probability of interception (LPI). The aircraft remains equipped with high power range and bearing determination equipment, such as TACAN equipment. Reference equipment transmits a LPI beacon, such as a pseudo noise code spread spectrum signal through a rotating beam antenna to amplitude modulate the beacon as a function of antenna orientation. The PN code is inverted as the antenna passes through a reference bearing. Mobile LPI equipment determines bearing and generates a high power signal, such as an emulated TACAN beacon signal. High power range and bearing equipment extracts bearing information from the emulated signal and display it. Range can be determined in a cooperative mode. Mobile LPI equipment transmits a LPI interrogation signal. Reference LPI equipment returns a LPI reply signal.