FAA Coordination Letter

FCC ID: AJK8222168

Cover Letter(s)

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FCCID_645607

O us cecormen e00 nsepenterce Ave. 5N ot resparaton Franngon oo sess federe! Aviaton Administation WR 8 R06 Mr. Andy Leimer Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Dear Mr. Leimer: We have reviewed the Rockwell Collinsletter dated February10, 2006, regarding request for certification ofthe very high frequency (VHF) — 2100E Extended Range Communications Transceiver, ID — No. AJKPN8222168 that operates in the VHF band 118—137 MHz. The request is to increase capabilities, not operations, within the United States National Airspace System (NAS). Additional capabilites include $.33 MHz channel spacing and capabilityto transmit within the 138—152 MHe band, exclusively on 138—144 MHz, 148—149 MHz, and 150.3—150.8 MHz. Having completed the subject review, we have no objection to the Federal Communications Commission (FCC) granting certification for the eapabilityincrease, providing operations in $.33 MHz mode and into the mentioned bands, will not be exercised within the NAS Rockwell Collins, as all applicants for FCC Certification, should be aware thatit is likely that aircraftwill employ Global Navigation Satellite System (GNSS) receivers along with VHE transceivers. Tt is also likely that without proper filtering, of the VHE transceiver harmonic emissions (as per (draft) TSO—C37e), here is a potential fr interference to be caused by the VHE transceiver to the GNSS receiver. If you require any additional information, please contact Ms. Annette Allender, Spectrum Planning and Intemational Office, at (202) 267—3893. Sincerely, mz 47)@ Michael G. Biggs Acting Manager Spectrum Planning and International Office Ms. Linda C. Sader Director Federal Affairs Rockwell Collins 1300 Wilson Boulevard, Suite 200 Arlington, VA 22209—2307 (703) s16—8200


Document Created: 2006-04-10 15:32:40
Document Modified: 2006-04-10 15:32:40
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