Goto Section: 95.1509 | 95.1511 | Table of Contents
Revised as of October 1, 2011
Goto Year:2010 |
§ 95.1511 Frequencies available.
(a) The following table indicates the channel designations of
frequencies available for assignment to eligible applicants within the
5850-5925 MHz band for On-Board Units (OBUs):^1
Channel No. Channel use Frequency range
170 Reserved 5850-5855
172 Service Channel^2 5855-5865
174 Service Channel 5865-5875
175 Service Channel^3 5865-5885
176 Service Channel 5875-5885
178 Control Channel 5885-5895
180 Service Channel 5895-5905
181 Service Channel^3 5895-5915
182 Service Channel 5905-5915
184 Service Channel^4 5915-5925
^1The maximum output power for portable DSRCS-OBUs is 1.0 mW. See
^2Channel 172 is designated for public safety applications involving
safety of life and property.
^3Channel Nos. 174/176 may be combined to create a twenty megahertz
channel, designated Channel No. 175. Channels 180/182 may be combined
to create a twenty-megahertz channel, designated Channel No. 181.
^4Channel 184 is designated for public safety applications involving
safety of life and property.
(b) Except as provided in paragraph (c) of this section, non-reserve
DSRCS channels are available on a shared basis only for use in
accordance with the Commission's rules. All licensees shall cooperate
in the selection and use of channels in order to reduce interference.
This includes monitoring for communications in progress and any other
measures as may be necessary to minimize interference. Licensees
suffering or causing harmful interference within a communications zone
are expected to cooperate and resolve this problem by mutually
satisfactory arrangements. If the licensees are unable to do so, the
Commission may impose restrictions, including specifying the
transmitter power, antenna height and direction, additional filtering,
or area or hours of operation of the stations concerned. Further, the
use of any channel at a given geographical location may be denied when,
in the judgment of the Commission, its use at that location is not in
the public interest; the use of any channel may be restricted as to
specified geographical areas, maximum power, or such other operating
conditions, contained in this part or in the station authorization.
(c) Safety/public safety priority. The following access priority
governs all DSRCS operations:
(1) Communications involving the safety of life have access priority
over all other DSRCS communications;
(2) Subject to a control channel priority system management strategy
(see ASTM E2213-03 DSRC Standard at § 220.127.116.11(4)), DSRCS communications
involving public safety have access priority over all other DSRC
communications not listed in paragraph (c)(1) of this section. On-Board
Units (OBUs) operated by state or local governmental entities are
presumptively engaged in public safety priority communications.
(d) Non-priority communications. DSRCS communications not listed in
paragraph (c) of this section, are non-priority communications. If a
dispute arises concerning non-priority DSRCS-OBU communications with
Roadside Units (RSUs), the provisions of § 90.377(e) and (f) of this
chapter will apply. Disputes concerning non-priority DSRCS-OBU
communications not associated with RSUs are governed by paragraph (b)
of this section.
[ 71 FR 52750 , Sept. 7, 2006]
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Goto Section: 95.1509 | 95.1511
Goto Year: 2010 |
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