ARRL

ARRL General Bulletin ARLB014 (2012)

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ARLB014 ARRL Board of Directors Approves 9 cm Band Plan

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ARRL Bulletin 14  ARLB014
From ARRL Headquarters  
Newington CT  June 5, 2012
To all radio amateurs 

SB QST ARL ARLB014
ARLB014 ARRL Board of Directors Approves 9 cm Band Plan

The ARRL Board of Directors has unanimously voted to approve the 9
cm band plan, as presented by the ARRL UHF/Microwave Band Plan
Committee. Earlier this year, the committee asked radio amateurs for
comments on a proposed 9 cm band plan, explaining that the purpose
of these band plans is to share information about how the amateur
bands are being used and to suggest compatible frequency ranges for
various types of application. The committee also recognized that
local conditions or needs may necessitate deviations from a band
plan, and that regional frequency coordinating bodies may recommend
alternatives for use in their respective regions.

The new 9 cm band plan includes the following notations:

* This band plan includes all other emission modes authorized in the
9 cm amateur band whose necessary bandwidth does not exceed the
suggested bandwidths listed.

* Weak Signal Terrestrial legacy users are encouraged to move to
3400.3-3401.0 MHz, as time and resources permit.

* Broadband segments may be used for any combination of high-speed
data (e.g. 802.11 protocols), Amateur Television and other
high-bandwidth activities. Division into channels and/or separation
of uses within these segments may be done regionally, based on need
and usage.

* Per ITU RR 5.149 from WRC-07, these band segments are also used
for Radio Astronomy.  Amateur use of these frequencies should be
first coordinated with the National Science Foundation.
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