[RAC-Bulletin] RAC Bulletin 2009-032E - Military radiolocation system to operateon 70 cm.
 

RAC Bulletin 2009-032E - Military radiolocation system to
operate on 70 cm.
2009-10-07

Military radiolocation system to operate on 70 cm.

As described in Schedule I of RBR-4, amateur usage of the
430-450 MHz (70 cm) band is on a no-protection,
non-interference basis. Amateurs may not cause interference
to nor be protected from interference from stations licensed in
other services operating in that band. The same is true in the
United States, and amateur operations on this band in a number
of areas of the United States have power limits imposed on them
in order to avoid interference to radiolocation services
operated by the US military.

Industry Canada has informed RAC that it has authorized the
Department of National Defence to use a digital system called
Enhanced Position Location Reporting System (EPLRS) on these
frequencies. The EPLRS system consists of mobile, fixed,
transportable and airborne stations that use 5 MHz-wide spread
spectrum channels to provide strategic telemetry information
for military platforms. This authorization is on a
no-protection, non-interference basis, which means that no new
restrictions will be imposed on Canadian amateur operations in
this band as a result.

Industry Canada has informed RAC that there is a slight
potential for interference to amateur radio systems, typically
in the form of a minor audible clicking noise. If Canadian
amateurs encounter such interference, they are requested to
report it to RAC at regulatory @ rac.ca. The information
reported should include the geographical location, date, time,
frequency and mode being used by the amateur station, and a
description of the interference.

Questions or concerns regarding the planned implementation of
EPLRS may be sent to regulatory @ rac.ca.

Richard Ferch, VE3KI
Vice President, Regulatory Affairs - Radio Amateurs of Canada
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