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  • jj's useful and ugly FFT page
    Collection of FFT and related algorithm implementation in various programming languages.
    Mon Feb 25 12:32:33 2019 - permalink -
    - https://www.jjj.de/fft/fftpage.html#introrem
    algorithm C FFT Fortran numerical software
  • What to expect when Beresheet launches to (and lands on) the Moon | The Planetary Society
    Includes a mission schedule.
    Sat Feb 23 01:31:25 2019 - permalink -
    - http://www.planetary.org/blogs/jason-davis/beresheet-what-to-expect.html
    moon space
  • Easy-ISLisp(EISL) is an interpreter and compiler compatible with ISLisp standard.
    EISL was written by Kenichi Sasagawa
    https://qiita.com/sym_num/items/793adfe118514668e5b0
    The license appears to be similar to BSD/MIT to my non-laywer eyes: https://github.com/sasagawa888/eisl/blob/master/license.txt
    It provides an interface to WiringPi, allowing control of the GPIO pins on a Raspberry π.
    Tue Feb 19 17:03:06 2019 - permalink -
    - https://github.com/sasagawa888/eisl
    compiler FOSS ISLisp lisp pi raspberry software π
  • AONT-Tolstoy: 1-click encode / decode of confidential information — no keys needed
    AONT = All Or Nothing Transforms = a secure way to transmit a document to a recipient in such a way that the recipient either gets the entire unmolested document in originally submitted form, or nothing at all. This idea goes back to Ronald Rivest of MIT. Very clever idea. It is crypto without being crypto in a legal sense.
    See also https://github.com/dbmcclain/Math, https://github.com/dbmcclain/LispPlotter, https://github.com/dbmcclain/EBU-R128 and probably more.
    Fri Feb 8 14:46:46 2019 - permalink -
    - https://github.com/dbmcclain/AONT-Tolstoy
    common-lisp cryptography Rivest signal-processing
  • Galileo Satellite Metadata | European GNSS Service Centre
    The Galileo satellites metadata are information about the satellite properties which need to be known in order to properly implement advanced processing algorithms for precise orbit determination or Precise Point Positioning (PPP). These include physical characteristics such as mass, area or reflectivity, the attitude law and antenna parameters such as phase center offsets and variations. More information about PPP and GNSS data processing can be found in [3], [4] or [2]. For Galileo SIS details, please refer to [1].

    [1] European GNSS (Galileo) Open Service Signal In Space Interface Control Document. European Union, 2016.
    [2] B. Hofmann-Wellenhof. Global Positioning System Theory and Practice. Springer, 2001.
    [3] J.M. Juan Zornoza J. Sanz Subirana, M. Hernández-Pajares. GNSS DATA PROCESSING. European Space Agency, 2013.
    [4] A. Leick. GPS Satellite Surveying. Wiley-Interscience, 1994.
    Fri Feb 8 14:13:19 2019 - permalink -
    - https://www.gsc-europa.eu/support-to-developers/galileo-satellite-metadata#1
    Galileo satellite-navigation
  • mpsh
    mpsh is an experimental command interpreter for Unix systems written by Dave Fischer at the Center for Computational Aesthetics and distributed under the 3-clause BSD license.
    Fri Jan 25 16:51:15 2019 - permalink -
    - https://www.cca.org/mpsh/
    BSD FOSS shell software Unix
  • Fermat's Library | Home
    Collection of interesting articles. Found via
    https://fermatslibrary.com/s/the-tunnel-of-samos#email-newsletter
    from a post on MoHP.
    Wed Jan 23 11:12:46 2019 - permalink -
    - https://fermatslibrary.com/journal_club
    mathematics reading science
  • Free42 : An HP-42S Calculator Simulator
    Free42 is a re-implementation of the HP-42S Scientific Programmable Calculator and HP-82240 Printer.
    It is a complete rewrite, not using any HP code. It does not require an HP-42S ROM image.
    Free42 is an Open Source project. The executables and source code are released under the terms of the GNU General Public License, version 2.
    Sun Jan 20 23:17:37 2019 - permalink -
    - http://thomasokken.com/free42/
    calculator FOSS GPL Hewlett Packard software
  • New Custom Firmware for the PlutoSDR with Several Linux SDR Programs Pre-Installed
    Recently "Lama Bleu" has been working on a custom firmware image for the PlutoSDR. Installing custom firmware allows you to load up a pre-configured Linux system which already has a bunch of useful software installed. He writes that his version is not designed to have a nice GUI, but rather focuses on scripting and data acquisition software.
    Thu Jan 10 18:06:33 2019 - permalink -
    - https://www.rtl-sdr.com/new-custom-firmware-for-the-plutosdr-with-several-linux-sdr-programs-pre-installed/
    Pluto radio software TODO
  • John Lion's “A commentary on the Sixth Edition UNIX Operating System” book
    Retypeset in LaTeX. According to Warner Losh
    https://www.tuhs.org/pipermail/tuhs/2019-January/017372.html
    the procedure name index is missing.
    Wed Jan 9 20:38:44 2019 - permalink -
    - https://github.com/kanner/lions-book
    book LaTeX operating-system TUHS Unix
  • A PDP-11 Assembly Language Simulator | Assembly Language Programming
    Simulator and assembler for pdp-11, written in JavaScript.
    Sat Jan 5 21:09:26 2019 - permalink -
    - https://programmer209.wordpress.com/2011/08/14/pdp-11-assembly-language-simulator/
    JavaScript pdp-11 simulator
  • IPFS is the Distributed Web
    A peer-to-peer hypermedia protocol to make the web faster, safer, and more open.
    Tue Dec 25 15:25:35 2018 - permalink -
    - https://ipfs.io/
    filesystem TODO web
  • Introduction — GNSS Compare documentation
    Thu Dec 20 18:41:32 2018 - permalink -
    - https://gnss-compare.readthedocs.io/en/latest/index.html
    Android FOSS satellite-navigation software
  • UseGalileo - Find a galileo-enabled device to use today
    Mobile phones and tablets with Galileo receivers.
    Mon Dec 17 17:59:04 2018 - permalink -
    - https://www.usegalileo.eu/EN/inner.html#data=smartphone
    Galileo hardware
  • clisp / clisp · GitLab
    source code and wiki for GNU clisp, more up-to-date than the one on
    https://clisp.sourceforge.io/ (on 2018-12-11 that had Current version: 2.49 (2010-07-07), whereas the git repository contains changes done 4 weeks ago.
    Tue Dec 11 11:49:15 2018 - permalink -
    - https://gitlab.com/gnu-clisp/clisp
    common-lisp git GPL software
  • Rump Kernels
    Rump kernels enable you to build the software stack you need without forcing you to reinvent the wheels. The key observation is that a software stack needs driver-like components which are conventionally tightly-knit into operating systems — even if you do not desire the limitations and infrastructure overhead of a given OS, you do need drivers.
    Found on Kooda's blog https://www.upyum.com/en/post/2.xhtml
    Mon Dec 3 12:13:11 2018 - permalink -
    - http://rumpkernel.org/
    BSD operating-system
  • ACME-like text-buffer/editor by Felix Winkelmann http://www.call-with-current-continuation.org/software.html
    "ma" is a minimalistic clone of the acme[1] editor used in Plan 9, and is written in Tcl/Tk. It has been tested with Tcl/Tk 8.5, mostly
    under Linux. "ma" has successfully been run on Mac OS X with XQuartz, but needs a tiling window manager to be used in a satisfactory way.
    Sun Dec 2 19:52:37 2018 - permalink -
    - https://github.com/kdltr/ma
    acme editor FOSS plan9 software Tcl Tk
  • start [HP Calculator Wiki]
    This wiki was originally created to be a development home for repurposing the HP-20b calculator, but has since grown to support several repurposing projects. It is our hope that this grass-roots approach to calculator hacking will expand to include other many HP calculator models and open-source projects.
    Mon Nov 19 13:56:45 2018 - permalink -
    - http://www.wiki4hp.com/doku.php?id=start
    calculator Hewlett Packard wiki
  • Two-Bit History
    Blog about computer history, describing the source of cat(1), Lisp, RSS, Ada Lovelace's first program and more.
    Wed Nov 14 13:55:39 2018 - permalink -
    - https://twobithistory.org/
    blog computer history lisp Unix
  • Font Playground
    See Hack (and other monospaced fonts) live in action!
    Install your fonts locally and they will show up in the dropdown selections.
    Use the dropdown options to modify the typeface, text size, language, and highlighter scheme.
    Wed Nov 7 11:59:27 2018 - permalink -
    - https://sourcefoundry.org/hack/playground.html
    font on-line TODO
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