ARRL January VHF Contest this weekend
Assuming Mother Nature cooperates, the January VHF Contest offers a welcome reprieve from what might be the long winter doldrums. ARRL
Net map tool
See location points on a map based on callsign. K5EHX
VK5ARG FreeDV transmissions
The Amateur Radio Experimenters Group, under its club call sign VK5ARG, are conducting experimental retransmissions in FreeDV. Southgate
Two portable oscilloscopes: shootout
To get an idea of what the signals ought to look like, I measured them both with my current favorite bench scope, a Rigol DS1104Z. Hack A Day
Video
How to operate FO-29 using a single Yaesu FT-817
How-to video describing and demonstrating the basic concept of working amateur radio satellite FO-29 semi-duplex using a single Yaesu FT-817 2m and 70cm. YouTube
Vacuum fluorescent tube clock
Manhattan style construction IV-18 Tube Clock based on the MSP430G2553 microcontroller. YouTube