[Scan-DC] ULS is now ready to accept applications for aeronauticalenroute stations using 8.33 kHz channel spacing

[Larry Van Horn]

>A question for the aeronautical experts out there:  Would this be the
> first use of 8.33 kHz channel spacing for aeronautical comms in the
> U.S.?

Yes it is the first ref to the changeover here in the US to the now European 
8.33 kHz frequency spacing standard.

Larry Van Horn, N5FPW
Brasstown, NC USA
MT Assistant/Review/Technical Editor
Milcom Monitoring Post http://mt-milcom.blogspot.com/
Twitter: @MilcomMP

----- Original Message ----- 
From: "Clegg, Andrew W." <aclegg at nsf.gov>
To: <scan-dc at mailman.qth.net>
Sent: Tuesday, August 16, 2011 11:03 AM
Subject: [Scan-DC] ULS is now ready to accept applications for 
aeronauticalenroute stations using 8.33 kHz channel spacing


>A question for the aeronautical experts out there:  Would this be the
> first use of 8.33 kHz channel spacing for aeronautical comms in the
> U.S.? The Order referenced in the Public Notice notes that some parts of
> Europe are already using 8.33 kHz spacing.
>
> Cheers,
> Andy
>
> Public Notice:
> http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-11-1403A1.pdf
>
> Third Report and Order referenced in Public Notice:
> http://www.aerosupavionics.com/document/FCC-10-103A1.pdf
>
>
> WIRELESS TELECOMMUNICATIONS BUREAU ANNOUNCES THAT UNIVERSAL
> LICENSING SYSTEM IS READY TO ACCEPT CERTAIN PART 87 AVIATION RADIO
> SERVICE APPLICATIONS
>
> By this Public Notice, the Wireless Telecommunications Bureau (Bureau)
> announces that the
> Universal Licensing System (ULS) is now ready to accept applications for
> new or modified aeronautical
> enroute and flight test stations for authorization to operate with 8.33
> kilohertz channel spacing, and
> applications to assign or transfer aircraft station licenses. These
> changes were made to implement rules
> adopted by the Commission in the Third Report and Order in WT Docket No.
> 01-289.1
>
> 8.33 Kilohertz Channel Spacing. In the Third Report and Order, the
> Commission amended its
> Part 87 rules to permit aeronautical enroute and flight test stations to
> use 8.33 kilohertz channel spacing,
> in order to migrate voluntarily from 25 kilohertz channel spacing.2 It
> concluded that the permissive
> introduction of 8.33 kilohertz channel spacing in the aeronautical
> enroute service would provide the
> aviation industry with the ability to greatly enhance spectrum
> efficiency and alleviate congestion, while
> avoiding the imposition of the significant compliance burdens that could
> result from a mandatory
> narrowbanding transition. It also concluded that narrowbanding would
> benefit flight test stations, which
> likewise face increasing frequency congestion in U.S. airspace. The
> Commission directed the Bureau to
> issue a public notice to alert applicants when the Bureau was ready to
> begin accepting applications for
> 8.33 kilohertz channel spacing.
>
> The necessary modifications to ULS have been implemented. Aeronautical
> enroute stations
> (station class code FA) and flight test stations (station class code
> FAT) may now apply for VHF channels
> with 8.33 kilohertz spacing. Specifically, applications may be filed for
> the following aeronautical enroute
> frequencies in the 128.825-132.000 MHz and 136.500-137.000 MHz bands:
> the end frequencies,
> frequencies within those bands separated from the end frequencies by a
> multiple of 25 kilohertz
> ("channels with 25 kilohertz spacing"), and interstitial frequencies
> separated by 8.33 kilohertz from
> channels with 25 kilohertz spacing ("channels with 8.33 kilohertz
> spacing"). Flight test stations may
> apply for the VHF frequencies listed in Section 87.303 of the
> Commission's Rules,3 and frequencies in
> the 123.125-123.575 MHz band separated by 8.33 kilohertz from the VHF
> frequencies listed in Section
> 87.303. The authorized bandwidth for channels with 8.33 kilohertz
> channel spacing is 8.33 kilohertz; for
> channels with 25 kilohertz channel spacing, applicants may request an
> authorized bandwidth of either
> 8.33 kilohertz or 25 kilohertz.
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