An HF Amplifier for your QRP Rig

Communication Concepts, Inc. offers 100 watts for the QRP crowd who, sometimes, want more.

Communication Concepts, Inc. offers 100 watts for the QRP crowd who, sometimes, want more.

Kudos to DX Engineering for perfecting the packaging and shipping of their products.
Advice on knowing how to spot the dreaded amp killing VHF Parasitic Oscillation in tube amplifiers for the amateur radio service.

An old Johnson Kilowatt Matchbox worked perfectly with a 135 foot ladder fed antenna at Field Day 2008.