KX4O SDR Receiving Electronics
With a bit of work, one can successfully feed an array of LF-HF receivers from one broadband antenna.
DXE
DX Engineering supports AHVD antenna
DX Engineering supports the build of the Asymmetrical Hatted Vertical Dipole (AHVD) antenna with standard and two custom parts.
Small Loop HF Antenna
With components from a variety of vendors, custom machining and a bit of trial and error, another variant of a small loop HF antenna is born.
KX4O 1B-Battery VA Field Day 2015
Despite a weak battery and few contacts, our 1B-Battery effort verifies a 40m small-loop and packet-radio NTS messaging using quick deploy antennas.