K1FM WSPR Transmitter (aka: el cheapo Antenna Testing)

I recently built a couple of identical WSPR transmitters to be used in direct comparisons between magnetic loops and other antennas, or even between various kinds of magnetic loops. They are now available on Github. The transmitters are based upon the Si5351 clock generator and their RF section was inspired by the excellent Zachtec’s products. […]

HDSDR OSX version 2.76 released

Once again, with Mario’s permission, I bundled the latest revision of HDSDR to be run on OSX. I also created a new rtl_sdr launcher that should be more stable, easier to use and that incorporates the bleeding edge version of librtlsdr. I tested this on Yosemite, El Capitan and Sierra. My CPU is a quad i7. […]

HDSDR on OSX the EASY way – SDRplay edition

Hello, Today I updated my HDSDR OSX bundle to include support for SDRplay. Nothing much has changed… If you want to enjoy SDRplay + HDSDR on OSX, all you need to do is the following: Install the SDRplay drivers (available here) Download my bundle Copy ‘HDSR OSX’ and ‘rtl_tcp SDRplay’ on you hard drive Run the […]