11element plan

A magnetic loop for 14-28 Mhz - Descriptio and pictures of a magnetic loop in german

Quad antenna for 10 and 15 Meters - Building guide for a two element quad antenna planned for 28 and 21 Megahertz

3 Element Yagis Antennas for HF  ^pop - All these plans use the DK7ZB match

2 meter quagi - A two meter band quagi antenna plan by ku4ay

J-Pole Antenna for your Packet Radio Station - Yo5ofh j-pole antenna plans for 2 and 6 meters

70cm yagi antennas - Pictures and plans to build 70 cm yagi antennas

F5TER Antenne EH 160 M - EH Antenna for 160 meters band and links to more EH antenna plans

G5RV vs. Ground Plane on 80M - Comparison tests by WF7T of a G5RV antenna vs a GP antenna on 80 meters band

HF Log Periodic antenna - Plan for a log periodic antenna for the 14Mhz-30Mhz by F6DOP in french

PAC-12 Antenna - mobile multiband  ^pop - Here’s an award-winning, easy-to-homebrew, multi-band portable vertical antenna designed by long-time antenna aficionado James Bennett, KA5DVS. He’s documented the design and construction plans for a portable antenna that can be built with relatively ordinary components

HF portable antenna - 40 to 6 meters  ^pop - Phil Salas AD5X 40 through 6 meter HF portable multiband antenna, construction article, plans, and photos

Multiband yagi antenna plan - F6CHT plan for a multiband yagi antenna that covers 6 to 30 meters band in french

Vertical plane antennas' beaming comparision - Animated quad and yagi comparison. You can see antennas' characteristics behavior in a vertical plane with changing of the height.

HB9AFO: antenne Quagi - Two quagi antenna plans for 432 and 144 Mhz, includes dimensions for a 1200 Mhz antenna. In french

2m Quagi Antenna plan  ^updated - A design of a 2 m quagi antenna by TA2IB

A Modern Thermocouple Ammeter - Thermocouple ammeters are very rare these days, but the job they were perfect for - measuring antenna currents - is still a modern requirement especially in respect to groundplane currents. By David A. Reid PA3HBB G0BZF

PAC-12 Vertical portable antenna - Build the PAC-12 Antenna a multi-band portable vertical designed by KA5DVS, here’s an award-winning, easy-to-homebrew, multi-band portable vertical antenna designed by long-time antenna aficionado James Bennett, KA5DVS. He’s documented the design and construction plans for a portable antenna

Crystal Receiver World - Crystal receivers, construction projects and plans, old-time crystal sets, hints, crystal receiver store.

Planetary SKIPshooters - Planetary SKIPshooters: Society for Keen Ionospheric Propagation - A CB Radio (Citizens Band Radio) DX (shooting skip) Group (Club) for 11 meter radio communications.

Planet Ham - Planet Ham is a website designed to aggregate blogs produced by Amateur Radio enthusiasts. The aim is to provide a central directory of Amateur Radio blogs so that interested browsers can visit subscribers sites and read about the various aspects of the hobby in detail

Ham Radio Insurance - All risk ham radio insurance plans

WBCQ The Planet - This summer, WBCQ is running The Voice of the M/S Katie, live radio broadcasts originating from our radio ship the M/S Katie in Boston, Massachusetts. WBCQ broadcasts 50,000 watts on each of its four international shortwave transmitters on 5.110, 7.415, 9.330 and 18.910 MHz

GeoAlert-Extreme Wizard - GeoAlert-Extreme Wizard maintains updated geophysical indices and displays the information in a friendly - at a glance - manner. GeoAlert-Extreme Wizard features a Global Maximum Usable Frequency, MUF, map that creates and manages predictions from the VOACAP engine. Displayed geophysical indices include: solar wind Bz component, speed and pressure, current WWV type indices and predicted solar flux, planetary A-Index and probability of major storms at middle latitudes for the next day.

SatTrack Suite - Satellite Tracking and Orbit Propagation, Reports and Mission Planning Products, Pass Scheduling and Orbit Event Analysis, Dynamic Communications Link Modeling, 3-D Visualization of Complex Scenarios User Defined Regions and Contours, Constellation and Formation Flying Support, Global Positioning System Coverage

Build a logging frequency counter - Pictures, photos, source code and plans to build a logging frequency counter