Search results

You wanna try to work modern satellite like AO-40 but have only one rig ICOM-706MKIIG ? This article will help you.

Eham.net review of ICOM IC-2720H

Ham radio news, views, the website that makes it's own gravy

Heathkit Amateur Radio Repair, parts, and manuals. Amateur radio equipment sales and service.

The 2 Meter 146mhz Slim Jim Antenna using aluminum tubing!

Earn your Technician or General Amateur Radio License in a one day course.

Modifications for motorola and ericsson radio repeater

2 Meter Slim Jim Antenna Using 300 Ohm Twinlead

HAM-IV antenna rotor repari and restore

Decoding NOAA APT weather satellite images is achieved with a homebrew receiver and a Turnstile Cross Dipole antenna, feeding data to a Pentium-3 500MHz PC running Windows XP and the WXTOIMG program. This setup, operated by VU2IIA in Mumbai, India, focuses on capturing and processing signals from NOAA satellites to generate visual weather data. The blog documents the technical aspects of constructing the receiving station, including antenna design and receiver integration. It provides insights into the practical challenges and successes of amateur satellite reception, specifically for Automatic Picture Transmission (APT) signals. Operational details cover the software configuration and image processing workflow necessary to transform raw satellite data into usable weather imagery. The content serves as a practical guide for radio amateurs interested in satellite meteorology.

Presents a Brazilian online portal dedicated to **amateur radio**, **CB radio**, and shortwave listening (SWL) communities. The platform facilitates free classified advertisements for radio equipment, including HF, VHF, and UHF transceivers, antennas, and accessories. It also aggregates a substantial collection of technical articles from Brazilian amateur radio operators (e.g., PY2DJW, PY1LJ, PY1LL/4LC), covering topics such as CW training with RufzXP, balun importance, and radio wave characteristics. Furthermore, the resource provides extensive links to Brazilian ham radio sites, clubs, international organizations, and official ANATEL (Brazilian National Telecommunications Agency) documents regarding licensing, equipment homologation, and regulations. The portal features sections for user evaluations of transactions, a "Top Ten" list of most visited pages, and a calendar of past and upcoming ham radio events across Brazil, including "Feirinhas" (local swap meets) and "Encontros de Radioamadores" (hamfests). It also includes a directory of ham radio related businesses and services in Brazil, such as antenna manufacturers (Diex), QSL card printers (Arte Final), and repair technicians (PY2MOK). The site also offers propagation maps, DX cluster links (e.g., DX-SUMMIT), and satellite tracking tools, making it a central hub for Brazilian radio amateurs seeking to buy, sell, learn, or connect with the community.

KARSFEST, held at the Will County Fairgrounds. Sponsored by the Kankakee Area Radio Society. Large and well attended hamfest and computer show!

Examines the Icom IC-2100H 2-meter mobile transceiver, detailing its operational characteristics and user experience. The review highlights the clear, easy-to-read display with internal labels, the button-filled microphone's functionality, and the rig's physical construction, including its weighty heat-sink and lack of a cooling fan. It also discusses memory programming, the unique amber-to-green backlight color options, and the radio's performance against _intermodulation_ in urban environments, noting it performs "pretty darn good" compared to other rigs. The analysis delves into a significant low-voltage cutoff problem, where the microphone ceases to function below approximately **12.6 VDC**, rendering the radio receive-only or causing it to stick in transmit. The author describes testing the voltage cutoff, observing it fluctuate from _12.38 VDC_ to 12.69 VDC. An update from Icom involved a "factory update" to the CPU's control code, which is strongly recommended for early-serial number units to prevent operational failure in low-power emergency scenarios.

Radio Amateurs of Ankara, Turkey. English, Turkish, homepages of HAM's.

Activating a county for ham radio can be dangerous to your health!

Personal review of the Yaesu VX-6R handheld transceiver

"W2IK's Personal experience being the first responder at ""ground zero"" during the WTC 9/11 disaster."

Discussion on W3EDP Antenna and grounding

This article contains the measurements for building a full wave loop using wire and length of 1/4 Wave Coax Matching Transformer

The RoadTrek design presents some unique challenges to us hams. Here an example of a VHF and HF antenna installation on a VAN

SS232K - The simple and safe RS232 interface for Kenwood radios

Testing SWR on your antenna and getting the best performance from your investment by L.D. Blake, VE3VDC

Homepage of Hong Kong's elite group of DX'ers

There's no longer any need to invent new swear words

A small antenna tuner for 14 MHz

Nifty! Quick Reference Guides and short form Mini-manuals and for Kenwood, Icom, Yaesu and Elecraft transceivers.

Schematic for AR-8000 programming cable

Various configurations of the Z Match Tuner are tested for power efficiency over a wide range of antenna load conditions

A cooperative venture between MSUARC and Calloway County Fire and Rescue

EXTFSK.DLL is an MMTTY extension that interfaces MMTTY to a user-made hardware device via serial port, parallel port or USB

Cannot record CW message, AFSK not working, tracking not working, meter peak hold, on Yaesu FT-920.

Extremely reliable FET preamplifier can handle several watts directly into either the input or the output without failure

This scheme can be used to combine two antennas

An interesting article on how to make copper cactus J-Pole antennas

K4JRG GAP titan dx specifications

Eham FT-1000MP review

What little I know about ham ballooning by Dave Mullenix, N9LTD

A 144 Mhz Slim Jim Antenna, aluminum tubing version project by Mohammad 9W2WTF

Cloudlog is a web-based amateur radio logging application built with PHP and MySQL, supporting station logging activities from HF to microwave. It integrates with companion tools for CAT control and automation, offering a flexible solution for managing QSO data. The application provides a self-hosted platform for amateur radio operators to maintain their logbooks, facilitating interaction with various ham radio operations. Its open-source nature allows for community contributions and customization, enhancing its utility for diverse operating preferences. Originally started by Peter, **2E0SQL**, Cloudlog was designed to enable simple interaction with the Ham Radio Deluxe logbook using MySQL.

Ham radio manuals in italian and english for several makers and products

This is the homepage of Kayalpattinam Ham Radio Society (VU2 KYP) - Ham Radio Society from Kayalpattinam, Tamilnadu, India

Alan Applegate (K0BG) article on mobile oprtations

Oklahoma's Largest Amateur Radio Hamfest

Hams with web cams database with net and roundtable information.

EggsHam is a PalmOS application that generates (and grades) _practice_ amateur radio licensing exams. It is for people interested in obtaining an amateur radio license in the US, who want to practice for the Technician, General, or Extra written exam.

The safe RS232 CAT interface and PA buffer for Elecraft K2

Firsts pictures of Icom IC-9100 taken at Tokyo HamFair 2009

The main function of the Ugly Balun is to help eliminate rf currents from flowing on the outside of coaxial cable using the principle of choke action.

CARA is dedicated to furthering the hobby of amateur radio in and around the city of Calgary, Alberta, Canada.

A step by step approach for a ham radio vertical antenna mount using only a hole, gravel and a piece of plumbing pipe