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What is AOPA doing to their approach plates?



 
 
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  #1  
Old March 13th 05, 02:29 AM
Roy Smith
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Default What is AOPA doing to their approach plates?

Here's two URLs pointing to PDF's of the same approach:

http://www.airnav.com/depart?http://...02/00548I2.PDF
http://download.aopa.org/iap/2005021...ils_rwy_02.pdf

The airnav version is crystal clear. The AOPA version is blurry and
pixelated. Zooming in, it almost looks as if somebody took a printed plate
and scanned it. What the heck is AOPA doing to the PDF files that make
them look this bad?
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  #2  
Old March 13th 05, 03:34 AM
Juan Jimenez
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Default

AirNav is pointing you to the National Aeronatical Chart Office. The PDFs
appear to be generated from original postscript sources.

The AOPA does appear to be either a scanned document, or it is being
produced from a lower qualify source, or it's being produced with an older
version of Acrobat, or ??

Why not ask AOPA?

Juan

"Roy Smith" wrote in message
...
Here's two URLs pointing to PDF's of the same approach:

http://www.airnav.com/depart?http://...02/00548I2.PDF
http://download.aopa.org/iap/2005021...ils_rwy_02.pdf

The airnav version is crystal clear. The AOPA version is blurry and
pixelated. Zooming in, it almost looks as if somebody took a printed
plate
and scanned it. What the heck is AOPA doing to the PDF files that make
them look this bad?



  #3  
Old March 13th 05, 03:46 AM
Marty Shapiro
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Posts: n/a
Default

Roy Smith wrote in
:

Here's two URLs pointing to PDF's of the same approach:

http://www.airnav.com/depart?http://...02/00548I2.PDF
http://download.aopa.org/iap/2005021...ils_rwy_02.pdf

The airnav version is crystal clear. The AOPA version is blurry and
pixelated. Zooming in, it almost looks as if somebody took a printed
plate and scanned it. What the heck is AOPA doing to the PDF files
that make them look this bad?


AOPA a while ago stated that they were slightly reducing the quality of the
image so it would download faster. I tried the two links you provided and
observed that the Airnav version was a 565 KB download, while the AOPA
version was 71 KB. When I printed both versions, I found both just as
usable.

--
Marty Shapiro
Silicon Rallye Inc.

(remove SPAMNOT to email me)
  #4  
Old March 13th 05, 03:51 AM
Roy Smith
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Default

In article ,
Marty Shapiro wrote:

Roy Smith wrote in
:

Here's two URLs pointing to PDF's of the same approach:

http://www.airnav.com/depart?http://...02/00548I2.PDF
http://download.aopa.org/iap/2005021...ils_rwy_02.pdf

The airnav version is crystal clear. The AOPA version is blurry and
pixelated. Zooming in, it almost looks as if somebody took a printed
plate and scanned it. What the heck is AOPA doing to the PDF files
that make them look this bad?


AOPA a while ago stated that they were slightly reducing the quality of the
image so it would download faster. I tried the two links you provided and
observed that the Airnav version was a 565 KB download, while the AOPA
version was 71 KB. When I printed both versions, I found both just as
usable.


OK, that's a fair enough explanation. If I was still using dial-up, I
would certainly be going for the AOPA versions.
  #5  
Old March 14th 05, 04:15 PM
OtisWinslow
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Default

Just go here and forget AOPA:


http://avn.faa.gov/index.asp?xml=naco/online/d_tpp




"Roy Smith" wrote in message
...
Here's two URLs pointing to PDF's of the same approach:

http://www.airnav.com/depart?http://...02/00548I2.PDF
http://download.aopa.org/iap/2005021...ils_rwy_02.pdf

The airnav version is crystal clear. The AOPA version is blurry and
pixelated. Zooming in, it almost looks as if somebody took a printed
plate
and scanned it. What the heck is AOPA doing to the PDF files that make
them look this bad?



 




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