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Moonbounce is the ultimate long path DX. It is exciting and allows you to literally work the world on VHF and UHF. It is not as difficult as you may think. Here is how to get started on this most exciting mode

This is the website for K3LP, well known DXer and DX-peditioner. Look for Dave during the main four Contests (ARRL DX CW/SSB and CQWW SSB/CW)

On-line Log for K5P DXpedition to Palmyra atoll 2016

Oost Vlaamse Radio Club Belgium

An interesting article on pedestrian portable HF DXing

PS8RF beacon tx in 7.035 Mhz with 3 W

Have wondered why a Smith chart has such strange grid lines. Believe it or not, there is a logical progression from Speedometers to Smith charts that will make the Smith grid crystal clear.

What the Numbers Mean, and Propagation Predictions--a brief introduction to propagation and the major factors affecting it.

Soldering and de-soldering professionals. Provide quality stations, irons, and rework systems

Jules Verne's "Around the World in 80 days" is old fashion way. Be an amateur radio I'll bet you'll rounding the world just on a flash!

Adding a Software Defined Radio to an SO2R station

Cobham Microwave has a long term experience in Microwave Systems and Components. Their five areas of capabilities are Systems and Components: Diodes & Modules, Ferrite Devices, RF Filters, and Waveguides.

Diamond Antenna CP22E VHF base station antenna review. This antenna has a remarkable design achieving 5 dBi directivity in a slim low-profile design.

DMR Contact Manager is a Free software package designed to make it easy to maintain channel, zone, contact and call group information in these radios. It is fully compatible with the Ham-Digital and RadioID database systems and allows instant codeplug updates from a wide variety of sources. DMR Contact Manager is designed for use with Connect Systems CS700/CS701/CS750/CS800/CS801/CS800D radios, as well as the Tytera MD-380/390/390GPS, TYT MD2017/MD9600, AnyTone AT-D868UV and AT-D858, Retevis RT3, and similar radios that use the RDT/RDB file formats.

Presentation station,contest,portable,techniques,bidouilles,balises,relais,radioamateurs,swl,technique,infos,reglementation

Online calculator for J-Pole antennas. The J-pole antenna consists of a short and a long vertical pole with a feed point near the bottom. The antenna looks like the letter J, hence the name J-pole antenna.

Slim Jim Antennas are great for apartments and hotels. VHF UHF Antennas

Amateur radio Quad Antennas manufacturer based in Italy produce HF and VHF Quad antennas, and spare parts.

Ham radio classifieds from holland

A complete guide for newcomers edited by the Radio Amateur Society of Australia Inc. This free PDF includes several basic articles for new hams, with particular reference to Australian regulations, but is however a good guide for those who are aproaching the hobby worldwide.

Yahoo Group dedicated to the Amateur Radio Community, not the Commercial Sector.

Ullung & Tok-do Island IOTA AS-045

Italian prefix maps and band plans, includes links to antenna plans and many ham radio resources.

Homebew a frequency marker by 7N3WVM

Spectrum manufactures very high-performance, low-cost, GPS-disciplined time and frequency reference standards for industry, scientific, calibration, broadcast and amateur operators.

A great amateur radio shack desk done with a second hand solid core door, measuring 32 inches wide by 80 inches long.

The Utility DXers Forum (UDXF) provides a centralized platform for exchanging news and information concerning utility radio stations and signals operating within the 0 to 30 MHz spectrum. It specifically excludes broadcasting, pirate, and amateur radio transmissions, concentrating instead on a diverse array of other signals. The resource details the types of stations covered, including maritime coastal and ship stations, aeronautical ground and aircraft communications (voice, HFDL, Selcalls, Volmet), military operations, various beacons (NDB, driftnet, propagation, pirate, high-frequency), fax transmissions, numbers stations, diplomatic communications, clandestines, and other unusual signals. Further content addresses radar systems such as Over-the-Horizon, Ocean Wave, and CODAR, alongside ionosondes, chirpsounders, ALE-systems, Selcall-systems, and tone calls. Experimental stations and standard frequency and time stations are also within its scope. The forum also acknowledges utility radio-related amateur events like the International Lighthouse Weekend and Night of Nights, providing a broader context for listeners. The site offers sections for modes, hardware, software, a utility radio archive, digital BC & HF conditions, and a utility radio club archive, along with QSLs and pennants.

Details on projects by WA3TFS published in QST magazine over the past few years. Includes an online shop with several ham radio kits, circuit boards, simple SDR transceivers

Article about a high-gain, narrow-band version feature 7.15 dBd and a F/B 13dB with details on how to setup in array mode

Distributed Antenna Systems technology used for gaining better coverage and using a lower power.

High performance Software and Devices

13cms and 23cms ATV my projects and builds. Also using wifi amps on 13cms, 13cms dish feeds using a Sky dish. GB3CZ

Official kenwood document explaining proper procedure to upgrade firmware on a Kenwood TS-590S

Spokane, Washington

International supplier of radio astronomy products

Multi-op contest station of Joe Rudi, NK7U of Baker City, Oregon, USA

On March 27, 2017, the FCC adopted final rules for the USA 630-meter band, detailed in Report and Order FCC 17-33, which required PLC coordination with the Utilities Telecom Council before amateur operations could commence. This resource documents the WD2XSH experimental group's activities, including authorized stations, band plans, and frequency assignments within the 465-515 KHz range, with many stations operating between 495-499 KHz and 501-510 KHz. The site also highlights the WRC-12 decision on February 14, 2012, which granted a new **7-kilohertz-wide** secondary allocation between _472-479 kHz_ for the Amateur Radio Service worldwide. The group's efforts included operating with a maximum ERP of **20 Watts** across 45 stations in the continental USA, Alaska, and Hawaii, using emission modes such as CW, PSK-31, FSK-31, and MSK-31. The site provides links to download FCC 17-33 in PDF and DOCx formats, and offers a station location map, a list of stations by callsign and frequency, and an archive of news updates. Reception reports for any 600-meter station are encouraged to help the amateur radio community understand propagation and repeatability on this challenging band.

Students interested in HAM activities at Indian Institute of Technology, Bombay.

RF / IF Microwave components DC to 20 GHz

Sams Photofact download Schematics and Service Manuals, Originals and downloads.

An SDR classification model edited ty Christophe F4DAN The model consists in describing a SDR with letters and digits, each one indicating the value of the corresponding key parameter.

Topeka, Kansas

Sioux empire amateur radio club - wØzwy - sioux falls, south dakota

10 GHz amateur band transverter

A dual band dipole antenna for 40 and 80 meters band. Total lenght of 26 meters, foreseen two coils at aprox 11 meters distance from center feed.

Search 9U4U Log online at club log. Burundi 9U4U DX Pedition

APRS4R Digipeater configuration notes by K6DBG

Android Echolink client to connect to the echo link network

Join the Elecraft KX3 rig discussion group