PDP-11 tape question

At 12:50 AM 6/24/2020, Chuck Guzis via cctalk wrote: A few months ago, I was re-rescuing some files that a friend had once read from a RSTS tape. He gave two sets of files. I'm not sure what tool or system he was using, but it probably was newer than the RSTS. One grabbed the files with the 14 bytes prepended to every file but without correct filenames, the other rescued the files with the filenames but without the correct dates. Once I figured out the nameless files had the 14 byte DOS-11 tape header, I wrote a little C tool that gave the files their proper filename and date. You're welcome to it. For Windows at least and probably Unix. My deeper goal was to rescue the files well enough to get them running again under SIMH and/or one of the JavaScript-based in-browser emulators. The programs wanted the FORTRAN compiler environment and BASIC-PLUS, and finding all those installers of the right version and combination, learning how to get it all right... whew, I wasn't sysop-level back then, and so much time has passed, it's quite a puzzle. - John