hidden antenna

A turnstile antenna for 2-meter ARDF - Antenna design for use with hidden transmitters on international-rules ARDF events

Simple active antenna - This circuit shows an active antenna that can be used for AM, FM, and shortwave

Why active antennas aren't perfect - There have been various comments here regarding the effectiveness of active antennas

The Carpet loop indoor antenna  ^pop - High performance indoor shortwave antenna, the Carpet Loop II is an ideal step upward for the listener who wants something better than a random wire but doesn't want the expensive dice roll of an active antenna.

Hidden Antenna - Packing crate HF antenna

The Carpet Loop - The Carpet Loop II is an inexpensive, easily built, high performance antenna that can work in almost all apartments.

Practical indoor antennas - Some practical indoor antennas that can be built by anyone

The Bird Feeder Antenna - A hidden antenna must be just that: hidden. So don't install an antenna, but something else. Lika a bird feeder.

W4INF Hidden House Loop Antenna - If you live in a restricted subdivision, you need to make the most out of it. This loop antenna is balanced line fed and works 40m-10m, does decent on 80m.

K3MT's Grasswire antenna  ^updated - Another approach to hidden HF antennas

Hidden Transmitter Hunting - Lots of information of hidding transmitters, building portable yagi antennas, s-meters, and much more

Hidden transmitter hunting - Interesting t-hunting projects, from antennas to audible smeters

Hidden and stealth antennas  ^pop - Antenna Restrictions, Power Restrictions, RFI Problems, or Limited Space keeping you off the air?