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 →