20 meter

DK7ZB-5-Band-Quad - 2 element Quand antenna for 10 - 12 - 15 -17 - 20 meters band

20m T-Monopole - 20m T-Monopole short vertical antenna for 20 meters by AA5TB

Stacked 7-Element-2m-Yagis - These yagis and groups were designed with YO7.23 from K6STI and checked with EZNEC from W7EL. With a gain of 14/17/20dBd they have a good relation between gain and mechanical problems.

2 Elements HB9CV  ^pop - 2 meters band HB9CV antenna

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

300 ohm twinlead 40 meter dipole - The N2CKH travel special 300 Ohm ladder line convertable antenna

80 Meter Multiband doublet antenna - 80 meter multiband doublet antenna with open wire feedline for 80-10 meters by N1LO

A two dollar helical hf portable antenna  ^pop - Here’s an easily transportable vertical antenna for 20 meters collapsible to 4 feet that costs about $2.00 to make. This was created as a fun project to demonstrate how to enjoy operating HF in the field with a home-made portable antenna without spending a ton of money. Bev AH6NF (YL) made this antenna, tuned and ready to operate in less than one hour

10 meter beacons - Ten meters propagations beacons compiled by Bill Hays WJ5O

3Y0X Peter I Island DX Pedition - Antartica 2006

8Q7BO - Kuredu Island Resort - Lhaviyani Atoll - A holiday DXpedition. Done in 2004 planning to return there in April 2006.

VK0LD Macquarie Heard and McDonald Islands - VP8PJ Patriot Hills Base 2004/2005

Azores Isl DX pedition 2006 - Azores Islands DX´pedition 2006 Atlantic North Amateur Radio Adventure

Utica Shelby Emergency Communications Association - USECA will be holding their 21st Annual Ham Swap. The time and date will be October 29th, 2006 between 8 AM and 1PM. It will be at the Polish-American Century Club located at 33204 Maple Lane Dr. in Sterling Heights.

50-MHz Real Audio Clips - Audio clips from cycle 20 to cycle 23, includes some interesting audio files dated 1969 and 1979.

Convert PC Power Supplies for use by Ham Radio - PC power supply conversion for ham radio use. Slide show overview showing how convert PC Power supplies to ham radio use presented at the August 2007 FSARC meeting.

Really Low Frequency Operating - The world below 500 kHz (The wavelength is 1500 meters or just about a mile) has a number of interesting listening and communications opportunities with possibly more to come.

30m QRSS Receiver - Article on a QRSS receiver for 30 meters band

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

2006 US ARDF Championships - April 8-9, 2006 USA ARDF Championships

A low power 3.5MHz ARDF transmitter - This low power transmitter is developed for ARDF exercising purposes but of course can be used as super QRP transmitter either. With 1 or 2 meter wire as antenna and a ARDF receiver with ferrite-rod antenna the range is about 100m but with better antennas and a 'real' receiver the range is probably much larger.

HRX80 80 meters receivers for APRS - 80-meter peilontvanger / receiver includes printed circuit sample and list of components

N4ATS.com - N4ATS - Devoted to the Yaesu FL-7000 Amplifier. I have been rebuilding, repairing, and applying modifications to the Yaesu FL-7000 amplifier for 15 years. Over 200 units completed and counting!

Broadband over power lines - PLT/PLC/BPL/DPL - it doesn't matter what you call it said one of our readers it has significant technical problems

Arrlweb: amateur refutes fcc's clean bill of health for northcarolina bpl system - North Carolina amateur is refuting a clean bill of health the FCC gave this summer to a BPL field trial system in the Raleigh area.