collinear array

160 meter broadside/endfire array - AA1K 160 meter BS/EF TX array

160 TX array by AA1K - 160 meter tx antenna array

40 m Lazy H array Antenna - Lazy H Array for 40 meters band by NA4L

Convert 40m 2-element to a Phased Drive Array - This presentation details the work of converting a 40m 2-element reversible beam antenna into a phase-driven type of array

160 80 12m Dipole - How complicated can a dipole be? Well, pretty complicated! Read on for details.

160m/80m Receiving Loop antenna - Going High-Q and High-Tech with the RX Loop at AC0C

Patch Antenna Array - The Patch Antenna Array was constructed and used for various satellite up and down links at my previous residence in Melbourne, Victoria from 2003 - 2007

Smart Antennas Tutorial - Smart antennas or the adaptive antenna array and smart antenna technology used with SDR, cognitive radio, MIMO, and other new technologies.

80 m four square vertical - NA4L wire four square vertical array for 80 meter band