One of my passions is experimenting with antennas, wire antennas for HF to be precise. I want to be able to improvise and adapt to the situation at hand whether I’m at home, traveling on business, or hiking in the desert or deep forest. Here’s my set of requirements for HF portable antennas: Usable on […]

Juma RX-1 Direct Conversion Receiver (Click for larger image) Here’s my completed Juma RX-1 direct conversion DDS receiver. If you’re familiar with the unit, you can see I’ve pretty much built it as the designers, Juha Niinikoski OH2NLT and Matti Hohtola OH7SV, intended. I only made two changes: I painted the box and I added […]