BobsV35B(at)aol.com
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 Posted: Thu May 04, 2006 7:47 pm Post subject: Use of GPS in lieu of ADF and DME, was: Converting IF... |
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Good Evening Kelly,
That is a basically true statement. There is a provision in the AIM that
tells of a method to use the distance from a point that is on the primary course
to get the required distances that would otherwise be determined by a
distance from the location of the DME Transceiver.
Check it out in the note following paragraph: AIM, 1-1-19, f, (c), (1), [c]
It is complicated procedure and, in the AIM, is described as being a
temporary fix until such time as all DME sites are in the database.
All Garmin, Apollo, and King databases have the Localizer associated DME
Transceiver sites in their current databases. For the Apollo units, there is a
separate page. The others have them listed on the Waypoint page and use the
same identifier as the localizer. As an example, at Rockford, Illinois, where
one localizer identifier is IRFD, the location of the associated DME
transceiver will be listed as IRFD.
We Trimble users are still stuck with the "temporary" expediency!
Happy Skies,
Old Bob
AKA
Bob Siegfried
Ancient Aviator
Stearman N3977A
Brookeridge Air Park LL22
Downers Grove, IL 60516
630 985-8503
In a message dated 5/4/2006 10:19:21 P.M. Central Standard Time,
kellym(at)aviating.com writes:
Bob, I think the only thing that is added is that you have to verify
that the DME location is in the database, especially where it is a
loc/dme approach where it presumably is at the far end of the runway, at
the Loc antenna. I don't know that all of those are in a non-approach
GPS data base. Otherwise I agree with everything else you are presenting.
Bo
bsV35B(at)aol.com wrote:
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