Hacker Spaces


/tmp/ham Episode 1: Raspberry Pi, weak signals (WSPR) and filters

There’s something very nice with Raspberry Pi (RPi) is that you can use it’s GPIO output capability and somewhat precise clock to generate radio signals, especially weak signals radio signals (WSPR). These weak signals can travel thousands of kilometers and be received by foreign stations across the ocean. (No we’re not talking about receiving these radio signals with RTL-SDR, even though it’s nice too). HAM License prerequisite… is not so

VM images of Ubuntu Server 14.04 LTS (Trusty Tahr) with Vagrant and Docker Containers

This article is an update to https://ochronus.com/docker-primer-django/ post for Ubuntu Server 14.04 LTS (Trusty Tahr). TL;DR if you’re lucky and everything is installed right and you don’t want to understand deeper, try: vagrant init ubuntu/trusty64 vagrant up First, let’s install Vagrant on the host computer (a MacOS X Mavericks here, using Homebrew Cask that can install binary install packages): brew cask install vagrant Then let’s create a directory where we’ll store the