Search results

Who's who in ham radio

Australia's largest online database of VK email & URL's. Home of the AAR Netring and VK Classifieds. Repeater lists, maps and more...

EZMASTER the all mode all in one interface. USB/Parallel/Serial Device. Include 75 sec Digital Voice Keyer, K1EL Winkey CW Keyer, SO2R switching, two radio interface, two RTTY audio insulated ports, two flexible Antenna Switch control. Ideal for Contesting, SO1R, SO2R, field day and daily activity. Compatibile with all software on the market : CT, CTWIN, TR, NA, WriteLog, N1MM, WinTest, MMTTY, MIXW and more .

Planning and modelling Delta Loop antennas for all the ham radio HF bands include calculated wire lengths at each mid-band

Ferrite Toroids. Iron Powder Toroids. Ferrite Beads. Split Cores. Cable clamp-ons. Balun Cores. W2FMI Baluns and Ununs. Inductive components for EMI Suppression and RFI Suppresion, power supplies, HAM radio.

Solves antenna matching problem with two phased antennas. Stacked rotary beams are popular. However, connecting two 50 Ohm antennas together presents some problems.

Study for your ham radio license with hamstudy.org, a free suite of study tools with user contributed explanations for the questions. Learning flashcards and smart practice tests ensure that you see and learn the full pool while statistics enable you to track your progress.

The Icom IC-7300 is a popular HF transceiver among amateur radio operators, known for its advanced features and performance. This modification guide focuses on enabling extended transmission capabilities, specifically for MARS and CAP frequencies. The instructions are based on the work of PA2DB and include detailed steps for removing specific diodes to unlock additional frequency ranges. Before proceeding with the modification, users are advised to take necessary precautions, such as ensuring the radio is powered off and using ESD protection. The guide emphasizes the importance of using appropriate soldering techniques and tools to avoid damaging sensitive components. A video demonstration is also provided to assist users visually in performing the mod. While this modification can enhance the functionality of the IC-7300, it is crucial to note that it may void the warranty and should be undertaken at the operator's own risk. The guide serves as a valuable resource for those looking to expand their operating capabilities with this versatile transceiver.

3830 Archives is a mailing list archive with contest results for amateur radio operators. It includes contest scores and results, score submittal forms, live contest score updates, and an online score board for DX contests.

VHF UHF Amateur radio antenna and antenna parts, accessories for homebrewers, antenna kits, tubes, antenna masts, antenna tripores, insulators, power amplifier mosfet, power splitters by I0JXX

Yaesu FT-857 features and specifications

Personal logging program, support A.D.I.F export which makes it possible to produce custom QSL cards, by G0OPC

Ham Radio Magazine of DARC

A danish program capable to receive and decode morse code, free for windows

Sometimes amateurs like to home-brew their power supplies instead of purchasing one off the shelf at any of the major ham radio retail dealers.

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

Excellent and comprehensive history of Boat anchors manufacturers. Here are some manufacturers that boat anchor collectors should look out for: Barker & Williamson Central Electronics Collins Radio Company E. F. Johnson Company Gonset Company Hallicrafters Hammarlund The Heath Company National Radio Company R. L. Drake

IC-718 tech. specifications

List of latest published Weather Fax world wide schedule including frequencies and modes.

DVRA Hamfest, by Delaware Valley Radio Assoc.

The HF ham bands can be mysterious. Some work at night, some during the day. Some seem to be good for long distance contacts while some are better for nearby contacts. Even worse, they change tremendously from hour to hour and day to day. An overview on operating on HF amateur radio bands

YO Yagi Optimizer by K6STI is an old MSDOS based antenna modelling software that has been very popular among ham radio community. YO.exe is still today used to optimize Yagi Antennas.

There is considerable confusion as to what exactly a multiband vertical antenna is. The confusion concerns the method of feed, how much mismatch one can expect, how many radials are required, how the particular antenna is built for multiband use, plus some other points.

TR4W (TR for Windows) is a free and open source log book program for operating in ham radio contests. Based on source code of the TR LOG MS-DOS program, kindly provided by Larry Tyree, N6TR, supports 155 contests and SO2R

Collection of Yaesu FT-100 comments

Antenna mounting height, the higher the better? Learn how radiation pattern change, and decide if you need an higher or a lower angle for your dx needs.

We produce duplex filters for 6 m, 2 m, 70 cm, and 23 cm band but also for HF bands. Sella and produce products for Ham Radio Repeaters.

Add two parasitic elements to the sleeve dipole of a Netgear Router

Information on contesting with CW and QRP

German amateur radio portal mainly based on a bboard system, by DO1YAO

A monoband J pole antenna dimensions sheet by N6JSX

Free software to operate your own Internet remote base ham radio station. Client module allow remote control to your ham radio station and to other radios available on the net, Host module instead allow to publish your radio in the internet.

Convert a PC power supply for your ham radio transceiver

103 Amateur Radio photos taken at the Dayton Hamvention in May 1997

Qsl Information databse updated the 1st of the month. Over 130,000 managers and direct addresses

A 160 meter antenna with a base loading coil used to tune the two lower frequency segments of the band.

The San Diego Six SHooters Amateur Radio Club, established in April 2001, is dedicated to promoting all modes of operation on the Six Meter Amateur Radio Band.

Schematic diagram for the Kenwood KPG 46 programming cable interface for Kenwood TM 271E TK 71 TK 81 TK 7302 NX 700 NX 800 series

Ham radio shop in Madrid Spain

The Yaesu FT-100 is a miniature mobile transceiver that provides coverage of the 160 to 6 meter bands plus the 144 MHz and 430 MHz bands

Connecting centre fed antennas, dipoles, yagis, rhombics, loops to coaxial cable, unless care is taken, it is not difficult to end up with feeder radiation resulting in power loss and the radiation characteristics changes

Comprehensive guide to understanding of solar indices, reading this article you will allow a better understanding and interpretation of propagation forecast bulletins and propagation reports

What to have before you go.

Ham Radio online store dealer for Yaesu Kenwood Icom LDG Microham and many more ham radio related brands, based in Holland

An interesting project about an Arduino-based frequency counter fot the Kenwood TS-520S

Serving Tarrant, Parker, Wise counties, and city of Fort Worth, Azle, Springtown, Boyd, Weatherford, Saginaw

NetDXCluster provides ham radio operators access to AR DX Cluster nodes using telnet via the Internet. Internet connection is required. This software only works under Mac OS X 10.1.3 or later.

ROS Multimode software for Ham Radio Operators

The website offers a comprehensive guide on high-frequency (HF) skywave propagation for amateur radio operators. It explains HF radio propagation fundamentals, including electromagnetic wave properties, HF bands, and propagation modes like skywave, ground wave, and line-of-sight. The site focuses on the ionosphere's critical role, influenced by solar activity, in refracting HF waves for long-distance communication. Real-time monitoring tools such as DX clusters, beacons, and digital modes like FT8 assist users in tracking band activity and propagation conditions globally. Forecasting methods are detailed, highlighting scientific insights into solar-terrestrial interactions and ionospheric variability. The guide also covers advanced topics like NVIS and gray line propagation, ionosonde data, and propagation prediction models, making it a valuable resource for ham radio enthusiasts aiming to optimize communications

Amateur radio products including Tarheel Antennas and ginpoles