20 meter yagi

Receiving loop aerial for 1.8 MHz - Bulding notes of a receiving loop antenna for 160 meters band

QM5 Yagi for 2 meters band - The QM5 antenna is a simple 5 elements Yagi with 1.88 m boom length for the lower 144 MHz SSB/MGM band, I used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 9.17 dBd; i.e. 11.3 dB forward gain over the isotropic radiator, while the F/R is about 11.5 dB. Elements

Active Loop Converter for LF - Active Loop Converter for the LF Band by Lloyd Butler VK5BR originally published in Amateur Radio, July 2000)

2-Element Moxon Rectangle for 10 meters band - 10 meters band aluminum 2-Element Moxon rectangle

Tango Delta Tango Dx - 11 meter dx group from The Netherlands

WB4WOR Propagation Beacons - WB4WOR Propagation Beacon on 6 and 10 meters Jointly Owned and Operated by the Broadcast Packet and Repeater Group and Piedmont Amateur Radio GroupRandleman, NC USA

YI9PSE On-line Log - YI9PSE online log - IRAQ 2010 DXpedition web site

GMRS J-Pole Antenna - Build a j-pole antenna for the GMRS/FRS radios. These radios are the type you can buy at sporting goods stores such as REI, Cabelas, etc. There are several radio manufactureres who make GMRS/FRS radios with removable antennas. This antenna can increase the range of these radios by miles!

MF and HF Amateur Radio Band Charts - Easy to read set of band charts for the amateur radio MF and HF bands: 160, 80, 60, 40, 30, 20, 17, 15, 12, and 10 meter by W5JCK

Parker Country Hamfest 2005 - Parker Country ARC SATURDAY MARCH 26, 2005 $500 Grand Prize

Yahoo! Groups : enigma2000 - enigma2000 · Number Station Monitors

Spy Numbers sound files - Hundred of spy number stations recordings in mp3 file format

Wavenode SWR and RF wattmeter - The WN-1 is a precision RF Watt, SWR, and DC Meter to digitally monitor your amateur radio and emergency communications stations.

Digital Voice in Amateur Radio - John DeGood NU3E, explain priciples of trasmitting digital voice using ham radio devices

Ham radio digital modes  ^updated - An introduction to PSK31, MT63, and Hellschreiber, John DeGood NU3E Trenton Computer Festival in PDF

200W 136 kHz transmitter - A transmitter project for the 136 kHz band by IK2PII

Learning and Using Morse Code - About the International Morse Code sending the code, copying the code, taking code tests, speeds above 20 wpm, by Bob Nellans

QRP When Less is More - Marshall G. Emm N1FN/VK5FN First published in "73 Amateur Radio 05/2000

eBay Store - ON Antennas J Pole - Buy ham amateur radio, antenna, j pole items from ON ANTENNAS J POLE eBay Store. We sell ham amateur radio, stealth wire, 2 meter, vertical items on eBay.

Sparkys cb shack - CB and 10 Meter Amateur Radio Sales and Service. Free Custom Tuning. Free Shipping. Home of the Sparktune Modulator. Give your radio that Blazing Modulation We stock Galaxy, Cobra, magnum, Connex, General,Uniden, Workman, Dosy, Hustler, Turner

Caracol Radio - One of several Colombian broadcasting networks heard on AM and FM and worldwide on 5076 kHz in the 60 meter band.

Radio Pirania - Pirate statio based in chile transmitting on 48 meters band

Covert Comms Archive - Covert Comms was a monthly column wrote for the ACE newsletter from 1997 to 2002. The column was devoted to numbers stations, unidentified signals, intelligence information, and other related information

Introduction to number stations - long article on number stations history

50 MHZ power amplifier - YU1AW power amplifier for 6 meters band using 2xGI7B