The April Edition of Digital QST is now available at http://www.nxtbook.com/nxtbooks/arrl/qst_201604/.

• Learn how to prevent interference from solar power systems

• Build a multimode CW keyer

• Explore PICAXE microprocessors with an easy project

• See how the earth influences your antenna patterns

…and much more!

Enjoy Content You Won’t Find in the Print Edition…

See a video demonstration of the HobbyPCB RS-UV3 VHF/UHF transceiver and a video overview of the RM Italy HLA-305V Plus 160 – 10 meter amplifier

Every issue of QST is filled with the news and features you need to keep active in Amateur Radio. Enjoy this issue!