I've been experiencing the same issue with trying to access the pdfs of nautical charts on the NOAA website. There has always been options to download up to date nautical charts in either "enc" (vector electronic navigation chart) or "pdf" formats.

https://www.charts.noaa.gov/InteractiveCatalog/nrnc.shtml#mapTabs-1

Matt

W2NS

On Mon, Mar 31, 2025, 18:20 <milsurplus-request@mailman.qth.net>

Message: 1
Date: Mon, 31 Mar 2025 16:41:07 -0400
From: Nick England <navy.radio@gmail.com>
To: "milsurplus@mailman.qth.net" <milsurplus@mailman.qth.net>
Subject: [Milsurplus] accessing DTIC tech reports
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I used to be able to download pdf of govt tech reports but now it bombs out
- does anyone have an alternate approach?

example
https://apps.dtic.mil/sti/citations/tr/AD0241188

Nick England K4NYW
www.navy-radio.com
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On Monday, March 31, 2025 at 02:41:31 PM MDT, Nick England <navy.radio@gmail.com> wrote:

I used to be able to download pdf of govt tech reports but now it bombs out - does anyone have an alternate approach?

example
https://apps.dtic.mil/sti/citations/tr/AD0241188

Nick England K4NYW
www.navy-radio.com