iz8jji QRP Radio

The past sunday I was amazed by a very fun QSO with Juan LU4VL in North Patagonia, Argentina. I was running about 2.5W with the 817 using a ...

I'm a true fan of end-fed antennas, and I've built one for 10 meters band. The antenna itself is 5 meters long, and matching is obt...

Months ago, I've bought a german military handheld: a SEM 52-S. Specifications: see http://www.kpjung.de/e_sem52s.htm Is an FM handhe...

I've bought an SSB filter for my FT-817. The filter is NO cheap at all, but I've found an used item for half price. Installing the f...

I've no way to set any antenna on the top of my building. This is the reason because I'm often in /P. But also at home I've some...

I've built a simple support for using HF and VHF mobile antenas with a camera tripod. The base is made of plywood. The support for BNC c...

I've bought on e-bay a LIPO battery, 6800 mAh, from a Hong-Kong seller for few euros (a bit less than 35). After about three weeks, the ...