Ultimate 3S QRSS/WSPR

The first beacon transmitter, my Ultimate 3, is such a success that I have ordered another. The new kit, is the latest version, the Ultimate 3S QRSS/WSPR QRP transmitter. This updated model has a little more power, 250 milliwatts, and … Continue reading

Ultimate 3 QRSS/WSPR TX

The Ultimate 3 QRSS/WSPR transmitter is my first 2015 project, it is a low power propagation beacon, with 180 milliwatt maximum RF output. I purchased the optional extras to make my unit multi-band covering the 40M, 30M, 20M, 17M, 15M, … Continue reading

Iler-20 Re-visted

I constructed my Iler-20 back in March 2013 and have a great deal of fun using it, so I wanted to extend the tuning range of the transceiver to cover the whole 20 meter band. To do this I decided to … Continue reading

HF AAZ-0912A USB Antenna Analyzer

This is the second project of 2014. This antenna analyzer was built from a kit purchased direct from Fox Delta  in India.  There are several versions of antenna analyzer on the site, I chose the HF AAZ-0912A USB Antenna Analyzer … Continue reading

KN-Q7A 40M Band SSB Transceiver

  This transceiver is built from a kit purchased from SDR-Kits.net the EU importers for this kit. The kit is also available direct from the makers in China CRKITS.com . The kit comes complete with components, PCB, case, replacement front … Continue reading

Iler-20 20M Band SSB Transceiver

First of all, I do not claim any credit for the transceiver kit used in this project, any credit for the kit belongs to EA3GCY from whom I purchased the P.C.B’s, components, and PCB assembly instructions as a kit (please … Continue reading

VHF / UHF Antenna

I am starting with the design and construction of simple dipole antennas for 2M, 4M, and 6M bands that works well when used vertically or horizontally mounted, fixed to a pole, wall or even a banister rail, and will stand … Continue reading