In Case You Missed it
Changing a Perfectly Good Airplane
Designing and building a modified RANS S-9, part 2. By Michael Ryer and John Wells.
All About Avionics, Part 9
One of the final steps in getting your avionics suite to work is installation of some sort of antenna to capture various radio frequencies. Failing to choose the right antenna and install it properly can compromise the whole installation. Rather than focusing on the intricacies of antenna design, the author discusses the merits of internal versus external for particular equipment plus where to place them; by Stein Bruch
Light and Capable
There are so many ways to try to keep the weight down in a homebuilt project, but some are better than others.