The Unicom frequency is 122.85 MHz (limited hours), and includes ARCAL type-k lighting 122.85 MHz.
The ARCAL frequency for most aerodromes is usually the same as the UNICOM/CTAF frequency, although in some rare cases, a second ARCAL frequency may be designated to control the lighting for a second runway separately (an example of this is runway 01/19 at the airport in Sydney, Nova Scotia).
UNICOM, or Universal Communications, air-ground communication facility
China Unicom | UNICOM | Unicom |
In late 2012, after rejecting an offer by Unicom Systems Inc., Versant Corporation announced it was being acquired by Actian Corporation, the commercial developer of Ingres and the relational database, Vectorwise.