[Nspcsg] FW: Interference Scenarios Related to GBAS VDB versus ILS LOC

[Murphy, Tim]

CSG Members,

Please note the attached.


Tim Murphy
Senior Technical Fellow
Communications, Navigation and Surveillance - BCA - Airplane Systems
Office (425) 965-6744 - Cell (425) 280-6844 - Fax (425) 342-5812


From: Domey, Daniel [mailto:Daniel.Domey at CMCElectronics.ca]
Sent: Tuesday, May 26, 2015 7:26 PM
To: Joel Wichgers; Murphy, Tim
Cc: Nyhus, Orville (ESEA UAS); Butsch, Felix
Subject: Interference Scenarios Related to GBAS VDB versus ILS LOC

Tim, Joel,
            Please distribute the attached document for feedback. This document outlines the analysis that Orville Nyhus and I plan to do for the validation of the GBAS SARPs open issue of interference between GBAS VDB and ILS LOC given the change in the minimum distance between the VDB Transmitter and the VDB receiver from 200 m to 80 m implied by the increased maximum VDB field strength SARPs requirement. Initial feedback by the June 9th CSG telecon would be appreciated. We will be distributing two similar documents outlining the plans related to VOR and VHF COM.

Regards,

Daniel Domey
GNSS System Designer
Esterline CMC Electronics
600, boulevard Dr.-Frederik-Philips
Ville Saint-Laurent, (Québec)
Canada H4M 2S9
Tel: (514) 748 3000 x4412
email: Daniel.Domey at cmcelectronics.ca<mailto:Daniel.Domey at cmcelectronics.ca>
www.cmcelectronics.ca<http://www.cmcelectronics.ca/>

________________________________
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