Biconical antenna. Outperforms several antennae in the $2000+ USD price-range. Design and simulation was done using a combination of MATLAB, CST Microwave Studio and good old pen & paper mathematics.
by WhyKnot
by The Sassy Sister Show
by joshbuilds
by kids day
by MeditationPyramids
by H.M Products
by StormyRabbits
