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#21
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WAAS upgrade info for Garmin 430
Roy Smith wrote:
.. Is there anything I'm supposed to do with the "WAAS CH 90502 W09A" information? Are there receivers which require you to tune the WAAS corrections in manually? I've always assumed that a WAAS-equipped GPS would just do that automatically. The 480 does. I'm sure the 430-W will as well. I suspect this is one of those things like the TACAN channel numbers put in there for "other" users. |
#22
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WAAS upgrade info for Garmin 430
Roy Smith wrote:
In article . com, "Brad" wrote: 200... http://204.108.4.16/d-tpp/0612/00125R9.PDF check the NOTAMs before you go... Is there anything I'm supposed to do with the "WAAS CH 90502 W09A" information? Are there receivers which require you to tune the WAAS corrections in manually? I've always assumed that a WAAS-equipped GPS would just do that automatically. Those WAAS channel numbers are part of a spec for "Delta 4" receivers typically associated with an FMS installation that doesn't have a database of the whole procedure, but instead uses the the channel number to indentify the Final Approach Segment (FAS). The FMS is used to navigate the procedure up to the FAF,and the Delta 4 receiver flies the FAS. This is similar to how an ILS is flown using an FMS. Your 480 shows the channel, but it isn't necessary to pull up the procedure. |
#23
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WAAS upgrade info for Garmin 430
http://www.aopa.org/whatsnew/air_traffic/waas-lpv.pdf RNAV LPVs as of 9/28/06: http://gps.faa.gov/Library/Data/Master-RNAVs_092806.xls There may even be a newer list on the web site somewhere. -JD |
#24
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WAAS upgrade info for Garmin 430
JD wrote: There may even be a newer list on the web site somewhere. Yes, there is... http://gps.faa.gov/CapHill/indexApproach.htm As of 12/21/06: 646 total LPV procedures, as well as 520 LNAV/VNAV procedures without LPV that can be flown to LNAV/VNAV minima using WAAS. Expect another 31 LPV procedures 1/18/07. Brad |
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