The Unix Heritage Society mailing list
 help / color / Atom feed
From: Al Kossow <>
Subject: [TUHS] tape reading (was Re:  Spacewar at Bell Labs)
Date: Wed, 15 Jan 2020 16:17:44 -0800
Message-ID: <> (raw)
In-Reply-To: <>

On 1/15/20 4:29 AM, John Foust wrote:

> Same thing for a new way to read a magtape.  You'd think it 
> could be done with a universal read head and some software.

It's been done. You need a good transport that has enough torque to deal with
sticky tapes and a digitizer with about 100gigs of ram if you're doing acquisition
with a Saleae Logic16 USB3 analyzer.

The setup is a couple thousand dollars.

      reply index

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-15  3:32 [TUHS] Spacewar at Bell Labs Brian Walden
2020-01-15  4:01 ` Jon Steinhart
2020-01-15  4:50   ` Bakul Shah
2020-01-15  6:17 ` Lars Brinkhoff
2020-01-15  6:34   ` Earl Baugh
2020-01-15  7:10     ` [TUHS] Spacewar at Bell Labs [ really paper tape readers and tangentially related things ] Jon Steinhart
2020-01-15  8:05       ` Earl Baugh
2020-01-15 14:50       ` Clem Cole
2020-01-15 23:40         ` Al Kossow
2020-01-15 12:29     ` [TUHS] Spacewar at Bell Labs John Foust
2020-01-16  0:17       ` Al Kossow [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

The Unix Heritage Society mailing list

Archives are clonable: git clone --mirror

Example config snippet for mirrors

Newsgroup available over NNTP:

AGPL code for this site: git clone