|150-512 MHz DEADLINE 01/01/2013!
THE NARROWBANDING DEADLINE OF JANUARY 1, 2013 HAS PASSED AND ACTION
NEEDS TO BE TAKEN NOW BY LICENSEES TO PLAN ON CHANGING OUT NON-COMPLIANT EQUIPMENT. MOST
VHF and UHF EQUIPMENT OLDER THAN 8-10 YEARS MAY NO LONGER BE LEGAL TO USE AFTER THE
From the FCC Narrowbanding Notice, Released 12-23-04
Executive summary of the FCC order:
- FCC establishes January 1, 2013 deadline
for migration to 12.5 KHz technology.
- The order affects systems on VHF and UHF
channels between 150 and 512 MHz,
- Applications for wideband operations (25
KHz channels) will NOT be accepted after January 1, 2011.
- Application for modification of operations
that expand the authorized contour of an existing station using 25 KHz channels will NOT be
accepted after January 1, 2011. (Also applies to "new" systems submitted for
- Part 90 paging-only
frequencies are exempt from this ruling.
- Low Band VHF systems BELOW 150 MHz are not
affected by this ruling.
PROMOTION OF SPECTRUM EFFICIENT TECHNOLOGIES
ON CERTAIN PART 90
FREQUENCIES. (Dkt No.
99-87). Action by: By the Commission: Adopted: 12/20/2004
by MO&O. (FCC No. 04-292).
Links to FCC Documents:
What This Means To LICENSEES
All existing Part 90 radio systems operating
on frequencies between 150-512 MHz have to convert those systems either to 12.5 kHz
bandwidth or to a technology that provides one voice path per 12.5 kHz of bandwidth or
provides a data rate of 4800 bps/6.25 kHz. This
Deadline is not expected to be extended any further by the FCC, having done so once
will be required to certify to the Commission
that they have made the technical necessary changes and are using narrowband equipment. Licensees that do not meet this deadline will be
cancelled by the FCC and relicensing of cancelled systems will become very difficult.
FIT will provide License modifications and
assistance with any certification notice to the Commission as a service to our MEMBERSHIP.
NEW NARROWBAND EFFICIENCY STANDARDS
- One voice channel/12.5 kHz bandwidth or 4800
bps/6.25 kHz (9600 bps for 12.5 kHz; 19.2 bps for 25 kHz)
12.5 kHz Conversion Deadline for
Existing VHF/UHF Systems
- Both Industrial and Public Safety
licensees have the same deadline for conversion of their systems to narrowband operation: January 1, 2013.
Interim Deadlines for VHF/UHF Systems
- New applications for 25 kHz bandwidth will
be accepted until January 1, 2011
- Modifications of existing 25 kHz systems
will be accepted until January 1, 2011
- 25 kHz equipment can be manufactured and
imported until January 1, 2013
- The FCC exempts Part 90
paging-only frequencies from the new Rules
- Low Band VHF systems (30-50 MHz) are not
required to be narrowbanded.
Narrowbanding does not require moving to
another frequency band. You reduce the
bandwidth of the channel(s) you are now using.
Most radios purchased in the last 6-8 years
are already narrowband capable. They only need to be re-tuned or re-programmed by a
technician to comply with the Rules. Check with your
dealer or service shop to identify which units may need to be replaced.
Your coverage will remain approximately the
same. Only a thorough analysis of your
coverage requirements can tell for sure.
You do not have to convert to digital.
However, many licensees are using this opportunity to upgrade to digital technology.
Most digital radios are dual mode capable and can operate in wideband analog as well as
narrowband analog and digital. Digital is also more immune from adjacent channel
interference and has new features that are unavailable in analog.
If your radios are
not narrowband capable, you will have to spend money for new equipment and expect to spend
money for retuning of existing dual-mode radios. The dates are extended to ensure most
licensees have fully amortized the value of their current equipment by the time the
mandates kick in. You need to PLAN
IMMEDIATELY for how you will transition to narrowband operation and begin any equipment
upgrades. Plan, Budget and Act! Do not
You needed to certify to the FCC by
1/1/2013 that you had made the conversion. Its not too late to file, the FCC is still accepting applications. Relicensing cancelled systems will not be a easy process and
the FCC has indicated that they will not easily grant waivers for continued wideband
operation after the deadline.