Coax Stubs for 20m and 40m

Where ever I operate contest in a multi transceiver environment interferences between the 40m and 20m are guaranteed. An easy way to reduce interferences are coax stub filters. Dave, K1TTT has a great website with a lot of useful technical resources. One of them is dedicated to coax stub filters. After building up two sets of stub filters (one in Namibia – V55V and the other one in Spain at ED1R) it’s time to document it.

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Quick & Easy: VPN through SSH Tunnel

VPN with SSH tunnels
In untrusted environments like open WiFi Hotspots you want to tunnel your traffic through an encrypted channel to the internet. Last year Firesheep has proven successfully how dangerous surfing in a public, non encrypted hotspot can be. A Virtual Private Network (VPN) can also be used to access internet services with IP Address restictions (e.g. Video or Music streaming services like Netflix, Hulu or Spotify). In this post I’ll show you a VPN solution which can be easily set up and used. The tutorial will work with the Windows and Mac OSX.

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How to set up an Ubuntu Server on Amazon EC2

If you have ever dreamed of having your own server, then I have good news. It has never been easier! In this tutorial I will discuss why you actually want to have your own server, how to setup your own Linux (Ubuntu) Server in less than 10 minutes and how to do this for free!

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