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- Thread starter Lude2Envy
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If you are trying to add this information for a LOC and GS which do not exist in the real world, then you will have to determine where to place them yourself as they will obviously not be listed anywhere.
If you are trying to add this information for one which does exist then you might want to look at somewhere like http://www.airnav.com
To get the information you need, at the main page for this site click on the "Airports" option and type in KACY.
For the returned page on Atlantic City Intl, look for the link next to the "Instrument Approach" line for the runway with the ILS.
When you follow that link, it will provide you with the antenna locations for the localizer and glide slope. This is what I think you are looking for.
Hope it helps.
If you are trying to add this information for one which does exist then you might want to look at somewhere like http://www.airnav.com
To get the information you need, at the main page for this site click on the "Airports" option and type in KACY.
For the returned page on Atlantic City Intl, look for the link next to the "Instrument Approach" line for the runway with the ILS.
When you follow that link, it will provide you with the antenna locations for the localizer and glide slope. This is what I think you are looking for.
Hope it helps.
I see. I'm very familiar with Airnav. I'm a real world pilot and use it alot. I didn't click on that link because I thought it would just bring up the approach chart. I tried getting the coordinates with google earth but you can only see the localizer antennas....not the glide slope. It is a real world ILS that was put in recently. Runway 13 had an ILS which is already in the sim and they have one on Runway 31 now. The weird thing is that both ends have the same ILS frequency 109.10 in the real world. Normally it'd seem like you'd just pick up a back course but you don't.
I got those coordinates and put the ILS in but the coordinates off of Airnav didn't line it up properly with the runway in AFCAD. I'm assuming that the entire airport in FS isn't at its correct location. I have the coordinates for the airport itself but now I can't find what point on the airport those coordinates are based from. Any suggestions?
A couple of sources for US airport feature positioning:
http://www.ngs.noaa.gov/AERO/UDDFdat.htm
Unfortunately the data for KACY are from 2000. Another is the USFIF:
http://164.214.2.62/products/usfif/index.cfm
I use the AFUSFIF product which is in shapefile format, which can be used in various free and pay GIS software. I used this data to overlay a Google Earth shot (Copyright Google -- presented for educational use only as a fair use) in the pay GIS Global Mapper. I also used the shot in SGX to check airport positioning. the runways look OK though some taxiways are off. Note that the airport reference point is the centroid of the runways. IIRC on the NGS site is a link to a document with the prescibed method for determining the ARP.
scott s.
.
http://www.ngs.noaa.gov/AERO/UDDFdat.htm
Unfortunately the data for KACY are from 2000. Another is the USFIF:
http://164.214.2.62/products/usfif/index.cfm
I use the AFUSFIF product which is in shapefile format, which can be used in various free and pay GIS software. I used this data to overlay a Google Earth shot (Copyright Google -- presented for educational use only as a fair use) in the pay GIS Global Mapper. I also used the shot in SGX to check airport positioning. the runways look OK though some taxiways are off. Note that the airport reference point is the centroid of the runways. IIRC on the NGS site is a link to a document with the prescibed method for determining the ARP.
scott s.
.
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