red oak texas

Constructing a LowFER Antenna - This article describes the antenna for Low Frequency Beacon. It originally appeared in the "Lowdown" for Oct. 1999.

8 Element Quad for 145 Mhz  ^pop - 8 elements quad antenna for 2 meters band, centered on 145 Mhz

Pfeiffer Quads - The Pfeiffer Quad was described in QST and has the desirable feature that it is smaller than a standard cubic quad but does not compromise performance very much. The Pfeiffer design is rather difficult to construct because of the complicated linear loading networks required.

Antiguedades Especiales - Vintage and antique radio and film devices

10 Years of Contests and QSLs - K5ZD article on contesting and qsling, originally appeared in the Scuttlebutt, newsletter of the Yankee Clipper Contest Club, March 2003

RSGBIOTA.org Islands on the Air Priority listing - IOTA Official website of the Radio Society of Great Britain's Islands on the Air (IOTA) programme, sponsored by Yaesu, which encourages radio amateurs to contact islands.

Sarasota County Auxiliary Communications Service, - The Sarasota County Auxiliary Communications Service, ACS, (Formerly Sarasota County ARES, RACES) is a program created to provide emergency communications for the Red Cross and Sarasota County Emergency Management.

Chelan-Douglas RACES Group - The Chelan-Douglas Radio Amateur Civil Emergency Services (RACES) Group provides emergency communications services in times of need to requesting agencies throughout North Central Washington State. Chelan-Douglas RACES is hosted jointly by both Chelan and Douglas County Emergency Management. The group is composed of registered Washington State Emergency Workers who hold an Amateur Class Radio License. All members are volunteers who have other primary jobs, and donate their spare time upon request to support emergency operations.

LA5F - Fredrikstadgruppen av NRRL

EA2AK - Radioaficionados en Huesca,Amigos de la Radio del Altoaragon, REMER,Red de Radio Emergencia en Huesca,EA2RKO,Estación Colectiva del Radio-Club.

BHI - Speakers and RFI noise reduction products

Spider Antennas - Compact HF antennas for home and mobile use, compact HF maritime antennas, manufactured by multi-band antennas

GLA Systems - Texas BugCatcher antenna manufacturers. Mobile antenna for hf bands. The serious HF Mobile Antenna by Henry Allen, K5BUG

Space Weather Education - Special space weather course designed to teach individuals without any background how to predict space weather

Radio Dr. - Professional electronic repairs on old & new CB's, Ham & Marine Radios and more. Low rates, thousands repaired for other shops.

Communication Specialists Ltd - Commercial and Private Two Way Radio Communication equipment manufactured specifically for the United Kingdom, Europe, African, Asian and the USA markets.

GI Joe's radio electronics Priority listing - Dealer for Cb radios, Cb antenna & accessories Galaxy radio, Cobra cb radio, Ranger, Texas Star, Palomar. Police scanner, radar detector, GPS, GMRS, FRS, Wilson cellular amplifier & antennas. Owners manuals, schematics and links.

Alfa Lima International - A free radio station that is transmitting world wide on several shortwave frequency 's with loads of pirate and freeradio information.

Jason - Jason is a weaksignal communication program, especially tailored for LF work.

DSPBOX - DOS Freeware, DSPBOX is an attempt to code the Texas Instruments DSK 'C50 in such a way to make it behave like a commercial DSP noise reduction unit, like the NIR-12, the TimeWave 599+ and others. Not only the noise reduction function has been implemented, but automatic notch, AGC and Band Pass have as well.

Morse Maker - MorseMaker is an up-to-date replacement for the Morse Machine shown further down this page. It has been re-written using a different programming language and is now entirely 'stand-alone' requiring no run-time support files. This version also works with Windows XP and can use the soundcard but please note that, unlike its predecessor, it does not split the alphabet into smaller 'learning' blocks and does not incorporate the Morse reader.

Amateur Radio RF Safety Calculator - University of Texas Amateur Radio Club RF-Calculator. This is a main beam power density estimation program intended for use as part of a routine evaluation of RF safety compliance with FCC regulations

Ferrite on Reducing RFI - Using ferrite to reduce radio frequency interference with your PC monitor or antennas with your receivers or transceivers.

A cheap noise reducing speaker - Noise Reduction on the Cheap PDF File

QRM and noise reduction Priority listing - You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array. Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM