Many thanks to Karl (K5KHK) for sharing this guest post, which originally appeared on his blog, Karl Heinz Kremer’s Ramblings: A Digital Station in Your Pocket by Karl Heinz (K5KHK) How small can a complete station to work FT4/8 be? With the QRP-Labs QMX, we have a transceiver that certainly fits the bill for a … Continue reading Karl Heinz’s Pocket-Sized Digital HF Station →

by Matt (W6CSN) Bletchley Park Most readers of this blog are probably familiar with Bletchley Park and the significance of this place in breaking the codes used by the axis military forces during the second world war. The electromechanical systems developed and used here to aid the codebreakers in their daily work led directly to the electronic digital computers … Continue reading UK POTA Rain and Shine →