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Passive Band-Pass Filter, low-pass filter calculator

Freeband modification for the Yaesu FT-100

Amadeus is a very powerful sound recorder and editor for Apple MacOS. Available in Lite and Pro version, is intuitive and a support many sound formats.

Storm Products Company provides high-value, interconnect products, subsystems, and services to electronics, communications, and instrumentation markets worldwide. Products include Electronic and Microwave cable assemblies, components, and test products.

A two way morse code practice set by VK3YE

G4ILO article page on an optional Elekraft K3 Pan Adapter solution

Custom Metalworks - Tower and Antenna Installation, Removal and Repair. Specialists in the Installation of Rotating Tower Systems, Large Yagi Antennas and Arrays.

A well documented Heathkit SB-200 restoration project by NT1K

Tower erection service, modifications, replacement, repairing service

Ham radio antenna towers manufactuer based in Italy

Broadband instruments, R and microwave components and filters, field analyzers, spectrum analyzers

Setting up a ZZ Wave antenna, a dual band loop antenna covering 80 and 40 meters.

Multi language contest log program for 9A VHF UHF contest. Freeware for Windows

ARRL has embarked on a project to learn firsthand what D-Star digital technology has to offer and to assess its capabilities in a real-world Amateur Radio environment.

Manufacturer of professional audio test and analysis equipment and of cb, marine and amateur radio accessory equipment.

The course is for those not knowing a dit from a dah, first introducing the individual to learn code by sound and progresses in 12 lessons to 5 words per minute. Each lesson is about 30 minutes and recommendation is to listen to each twice before moving on to the next one.

Zeus Radio program is designed specifically for the ZS-1 transceiver and supports all the basic functions (RIT, XIT, SPLIT, Noise Reduction, Auto Notch Filter, etc.) in order to work in the broadcast brought only pleasure. Zeus Radio works also with Hermes, Anan, Afedri, Red Pitaya, HiQSDR, Odyssey, Extio, RTL-SDR, Peaberry, Winradio, SDR-IQ, Afedri

KD0SO receiving loop for 160 meters

Solutions for difficult soldering needs

Baldor Generators offers a complete line of portable, standby, prime power and peak-shaving generators in the industry from 3 - 2,000 kW in gasoline, LP, natural gas or diesel. Part of ABB group

National communications Family Radio Service frequencies divided in 14 channels

How to navigate FlexRadio PowerSDRs Pan Adapter

A homemade pneumatic projectile launcher project

Amateur Radio Club serving Barry & District

Have you searched and searched for a good speaker for your ham radio? That perfect speaker that would let you hear voices through the noise and static without hiss?

Amateur radio dealer for all major ham radio brands based in Sweden

Icom IC-7300 english brochure, technical specifications and product description

What Are Pirate Radio Stations and Why Listen to Pirate Radio Stations, How to Listen To Pirate Radio Stations

Win4Yaesu Suite is a commercial software for Yaesu FTDX and FT991 Radios. It includes support for SDRPlay and LPPAN panadapters. It interfaces to all third party hardware and software programs including HRDLogbook, DM780, DXLabsSuite, NAP3, N1MM+ and many more.

Personal web site from Poltava Ukraine

1KW 70cm LDMOS amplifier project

A nice review of the Acom 1000 HF and 6 meter RFpower amplifier by Acom in Dutch and with online google translation available. Includes pictures and notes of the popular amplifier by Acom.

The Langley Amateur Radio Club has been in existence since 1988 and received it's charter in 1989. It has a membership of approximately 20 active amateurs.

TYT Electronics boasts of 15-year experience in two-way radio manufacture. Produce DMR transceivers, handhelds, receivers and mobile radios, analog amateur radio and commercial VHF transceivers

Abbreviations used for words on CW, ranging from commonly used abbreviations like B4 for Before or TU for Thank You to very obscure abbreviations known only to the one using them

Having Fun & Fellowship since 1955. The Keystone VHF Club has extensive facilities right outside Rocky Ridge Park just northeast of York, PA.

Icom IC-51A out of the Box Programming Instructions PDF file by dstarinfo.com

Heavy Duty Antenna Mounts For Mobile Ham Radios

A page dedicated to the Morse Code contact procedure

Serving Lapeer County & Surrounding Communities in Michigan

A VHF UHF mobile operation setup with APRS tracking by wd6cmu

The purpose of the National Silent Key Archive is to collect and preserve photographs, life event narratives, and data artifacts of deceased Amateur Radio operators, and to make the Archive's digital library available to anyone wishing to view its contents online.

A tutorial on using RF frequency counter, how a digital frequency counter works, includes frequency counter specifications and best practices in setting counter accuracy and resolution

UK distributor for AEA Technolgy Inc products and ICOM commercial transceivers

The california historical radio society is a non-profit, volunteer organization dedicated to the radio. our members acquire, restore, trade, and exhibit radio technology and memorabilia. our members research and document historical radio. become a chrs member and learn about the art and science of the radio.

TwoWayBattery.com is your source for high quality two way radio replacement batteries, chargers, eliminators and accessories. Batteries for major brands Alinco Icom Kenwood Motorola Uniden Yaesu Standard and more

Multi-frequency radio interferometers

A 102-inch vertical whip, commonly a CB antenna, forms the core of this low-profile 10-meter antenna design, optimized for the 28 MHz band. The construction details specify three 8-foot radials made from scrap wire, connected to a common point. This simple yet effective setup is designed for ease of construction and deployment, making it accessible for operators with limited space or materials. The design emphasizes using readily available components, including PVC pipe for the mast and a SO-239 connector for the feedline, ensuring a straightforward build process for a resonant quarter-wave vertical. Field results indicate that this antenna provides good performance for local and DX contacts on 10 meters, despite its compact footprint. The author, N8WRL, shares practical insights into its construction and tuning, highlighting its suitability for temporary or permanent installations where a full-sized antenna might be impractical. Comparisons to more complex designs suggest that this low-profile vertical offers a respectable signal-to-noise ratio and effective radiated power for its size, proving that simple designs can yield satisfying on-air results.

Two different ways to create autotransformer for end fed half wave wire antennas, by using ferrite or air core.

FCC_Call is a program that allows you to create a database from the FCC license records and to look-up the FCC records by call, name or city. It requires TRX-Manager or VB5 runtime installed.