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Replica of David Sarnoff\'s Key, Marconi operator at Station WHI

A 18 elements Yagi antenna for 432/435 MHz as published on 2011 CQ VHF magazine

Single operator two radios, resources controllers and products

The Sullivan County Emergency Services Amateur Radio Association headquarters is located in the Sullivan County Courthouse Laporte, PA.

The MIT UHF Repeater Association maintains the W1XM Repeater which is located on the top of the Green Building.

Serving the Copper Country in Michigan's Western Upper Peninsula. Copper Country communities include Calumet, Copper Harbor, Lake Linden, Houghton, Ontonagon, Baraga, and other nearby towns.

A comparison of Elecraft KX2 and Yaesu FT-818

15 possible explanations for Long Delayed Echoes by University of Oslo

FTB7800 is a memory management software program for the Yaesu FT-7800R/E FM transceiver

NJ2X is a licensed amateur radio operator (FCC Amateur Extra) who enjoys casting electromagnetic waves into the ether. NJ2X pursues many aspects of the hobby including chasing DX, participating in mini-DX expeditions, building equipment and antennas, and papering his shack walls with ARRL awards. NJ2X dedicates this amateur radio oriented site to helping others who also enjoy the greatest of scientific hobbies. The site is suitable for all readers - families, the young, and the young at heart.

pro94owners · Radio Shack PRO-94 & 95 Scanner Owners

Virtual Signal/One Radio Museum

Search TY1TT on-line logbook 2014 dxpedition

VP2ERM will be operating from the Caribbean island of Anguilla between July 19 - August 3, 2014

Voted the best darn Ham Radio club in Texas 7 years in a row.

The Baofeng UV-5R handheld transceiver, introduced around 2012, operates across the 2-meter (144-148 MHz) and 70-centimeter (420-450 MHz) amateur bands, offering dual-band receive and transmit capabilities. This review provides an early assessment of the radio's form factor, user interface, and general performance, noting its compact size and the inclusion of a **VFO/Memory mode** button for frequency management. The device supports both FM and narrow FM modes, with a reported power output of 4 watts on VHF and 3 watts on UHF, making it suitable for local simplex and repeater operations. Key features discussed include its 128-channel memory capacity, a built-in VOX function, and a **DTMF keypad** for tone dialing and repeater access. The review highlights the radio's ability to scan frequencies and memories, along with a dual-watch function allowing simultaneous monitoring of two frequencies. Battery life is addressed, with the standard 1800 mAh Li-ion pack providing several hours of operation depending on transmit usage. Initial impressions cover the radio's construction and the clarity of its LCD display, which shows both A and B band frequencies.

Map of locators of Brasil

The brockville amateur radio club is located in the heart of the 1000 islands on the banks of the st. lawrence river.

The Clinton County Amateur Radio Association - Club Call W8GO

How to program Motorola APX Series P25 Two-Way Radios for use with the OpenSPOT 2. This document covers some important steps to be followed to upload the correct codeplug to mMtorola P25 radios

A tutorial on setting up a Low Cost QRP (FT8, JT9, WSPR etc) Monitoring Station with an RTL-SDR V3 and Raspberry Pi 3

RZ9MYL - the most active YL-clubstation in the world

What is a repeater? How do you use repeaters. A great guide to use amateur radio repeaters incuding repeater frequencies, operating procedures and practices.

Solution for stations located at secondo floor or higher. Lead lengths to the grounding system are much too long to provide a low-impedance RF ground.

Thsi article describes a microcontroller driven semi-automatic antenna tuner capable of handling power levels up to 150 watts. The device is a low pass filter tuner manually tuned by setting the optimized L/C combination by hand and then storing the values into the EEPROM of the mictrocontroller to recall them later (seperately for each band from 80 to 10 meters including WARC bands)

A Fox transmitter by VE2EMM with construction details part list and schematic diagram

The Triple H Net Association Net

The Licking County Contest Group (LCCG) is a small group of Radio Amateurs in Licking County Ohio who enjoy contesting.

The AA4F Key Contact Cleaner is designed for maintaining key contacts, ensuring reliable operation in 2-way radio communications. **Regular use** of this cleaner can significantly improve contact performance, reducing the risk of intermittent signals. It is particularly effective for cleaning contacts on various key types, including _straight keys_ and _paddles_. Proper maintenance extends the lifespan of your equipment, ensuring consistent operation during contests and DXing activities. Users report improved key responsiveness and reduced key chatter, which is crucial during high-pressure operating conditions. Regular cleaning can prevent oxidation and buildup, which can lead to erratic key performance. This product is essential for serious operators who rely on their equipment for successful communication.

This freeware application for Linux and windows, allows you to convert an ADIF file to a KML file so you can map your QSOs easily and open it with google maps, or google earth or any application supporting the KML format

The Buddistick antenna, as demonstrated by KP4MD, effectively handles up to **250 watts** and provides coverage from 40 through 10 meters, with an optional coil extending operation to 80 and 60 meters. KP4MD's video presentation meticulously describes the antenna setup, emphasizing the critical role of the _shunting coil_ for achieving resonance on lower bands like 40 and 80 meters. This practical approach highlights how a compact antenna can deliver solid performance from a constrained location. SWR curve diagrams are included, clearly illustrating the impact of the shunting coil on the antenna's resonating frequency. These visual aids provide concrete evidence of the adjustments needed for optimal operation across different bands, particularly when space is at a premium. KP4MD's insights are particularly valuable for hams operating from apartments or other limited spaces, showcasing real-world results from a balcony installation.

The official announcement of the Icom IC-7610 mid class amateur radio transceiver

Plymouth Historical Museum radio station

Homemade a custom programming cable that can works with Kenwood TM-V71A or TM-D710A

To promote and practice amateur radio and HAM radio in Mumbai, India.

A multi sked portal offering sked spots grouped by CFO CW Practice CW Academy Development Digital FISTS Down Under FISTS Scouting LoTW/eQSL MARS NAQCC NRR Other Images POTA Ragchew Satellite SKCC TBDXC VHF/UHF

OJ0UR market reef 2011 online log

Propagation Beacon, Sweden,Stockholm,Sollentuna

How to work the ISS using APRS Packet Radio

The Conejo Valley Amateur Radio Club (CVARC) is a 501(c)3 organization incorporated as a non-profit in the State of California, and established for the benefit of the amateur radio community.

Radio Club de Costa Rica

A Combination CW Keyboard and Paddle Keyer. It uses a single Atmel microprocessor, the ATmega328P from the AVR family, and a 4 row by 20 column LCD display module.

Founded in 1937, the Ayr Amateur Radio Group (AARG) has a long history of being the focus for amateur radio in Ayr and South Ayrshire

A travel group for hams. Join Ham Buddies for fun breaks and make new friends with other hams. Ham buddies enjoy travel and get to talk radio for fun while on holidays.

Ham radio blog dedicated to Mac OS users

Scan Antenna supply precision antennas to some of the world’s most advanced, market leading companies. Their antennas fit in satellite voice/data, mobile/wireless GSM, GPS, marine/land based radio and other specialty systems.

TIM-CO, an authorized distributor, offers a range of electronic components crucial for various applications, including amateur radio station builds. Their inventory focuses on **connectors**, both commercial and military-grade, which are essential for robust and reliable interconnections in radio equipment and antenna systems. This includes a variety of types suitable for RF applications, ensuring signal integrity. Beyond connectors, TIM-CO provides passive and electromechanical components, fundamental building blocks for any radio circuit or control system. These components are vital for constructing filters, impedance matching networks, and power distribution systems within a shack. Their selection supports both new construction and repair of existing gear. Additionally, the company supplies **RF-coax cable assemblies**, pre-fabricated solutions that save time and ensure proper termination for feedlines and inter-component connections. These assemblies are critical for minimizing signal loss and maintaining impedance matching from the transceiver to the antenna.

Radio comunication dealer based in Moscow Russia

Here you will find information on how to become a HAM Radio operator, how to use your radio, and how to get involved here in the Nacogdoches area

To educate and increase the proficiency of its members concerning scientific advancement and progress in the science of amateur radio communications.