Search results

Useful data-sheet on RG coax cables compiled by NA5N

A morse code tutor for the Macintosh.

G3WZT John Matthews project of a 600 Watt solid state linear amplifier for the 6 meters band

You can use almost any Icom handheld to contact your 2720H back in your vehicle for crossband repeating.

Lookup callsigns in locator, or locator of a specified callsign and display in google map

Ham radio dealer in Valencia Spain

IC‐2300 MARS/CAP mod expanded frequency range 136‐174 MHz

Schematic for Yaesu FT-857 CAT interface

Dealer for Icom America (LMR/Marine/Amateur accessories) and Expert Electronics (SunSDR MB1) US dealer.

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.

Applying for a vanity callsign has become significantly streamlined, with the W5YI-VEC now facilitating online applications. This process allows hams to secure a personalized callsign from the FCC with remarkable efficiency, often seeing their new identifier granted in as little as **18 days**. The ease of access to this service represents a notable improvement for operators seeking a unique callsign. The resource outlines the straightforward steps involved, primarily directing users to input their current callsign to initiate the application. This direct approach simplifies what was once a more complex bureaucratic procedure, making it accessible to a broader range of amateur radio operators. For those interested in personalizing their on-air identity, the _W5YI-VEC_ online system offers a practical solution. It leverages digital platforms to expedite the application, reflecting modern advancements in administrative processes.

Yaesu FT-857 features and specifications

The page discusses Axial-Mode Helical Antennas, focusing on turning helical antennas over perfect ground and modeling helices in NEC-2 for optimized design. It covers topics such as high-gain performance, broadband, impedance matching, radiation pattern, feedline, balun, near field, far field, and DIY applications.

Yaesu FT-100 Data (CAT) MiniDIN 8-Pin Connector

IC-718 tech. specifications

Digital filter for Macintosh computers with a PowerPC processor

Logbook software for the Macintosh by Chris Smolinski

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

What to have before you go.

Propagation forecasting software for the Macintosh

HF Weather Fax lets you receive marine weather radiofascimile transmissions on your iPad, iPhone and iPod Touch. Just connect it to a shortwave radio tune in a weather fax frequency, and watch the images come in.

A simple accurate power splitter for the 70cm uplink to Oscar 13

This grid locator map uses Google map apis to find your QTH locator by simply clicking on the map. You can either enter your QTH locator and find the calculated distance and bearing between your QTH and another grid square.

Official website of the ICF group

The document provides a detailed guide on modifying an inverted-L antenna to include the 160 meters band. This enhancement allows amateur radio operators to utilize the lower frequency effectively, which is crucial for long-distance communication, especially during the night. The inverted-L design is popular due to its compact size and ease of installation, making it suitable for various environments. By adding top band capabilities, operators can engage in DXing and contesting on 160m, expanding their operational range and opportunities. The guide includes practical tips and considerations for construction, ensuring that the antenna maintains its performance across the extended frequency range. It discusses the necessary adjustments and materials required for the modification, along with potential challenges and solutions. Whether you are a seasoned operator or a beginner, this project can enhance your station's capabilities, allowing for more versatile operations and improved signal quality on the 160m band.

This free program displays the location of any locator on a map. It calaculates between two Maidenhead locators the distance (km and miles) azimuth longitude latitude Show the location, direction and distance as you move your mouse on a map! Graphical Locator Program, By ON6MU

The Icom IC-746 is quite a popular HF/VHF multimode transceiver which has one shortcoming in its standard configuration when used to operate modes requiring good medium-term frequency stability.

Technical details of the yaesu FT 9000

ACOM 1000 modification uses electric band switching, such that both 6m and 4m operation can be maintained.

An unused 5v supply connection allows an electret condenser microphone element to be used in place of the standard dynamic element. Modification by M0UKD

Working DX on a Dead 50MHz Band using Meteor Scatter, by Palle Preben-Hansen, OZ1RH

Beautiful Colorado mountain cabin with ham radio access at the foot of Mt. Princeton

Meimaris Communication Equipment based in Greece

A cool add-on to UI-View, that enables to use the free datas of OpenStreetmap to generate APRS maps for UI-View in a few mouse clicks.

This simple modification is applicable to pretty much any 12 volt operated, positive earth equipment. by Chris Cox, N0UK, G4JEC

cocoaNEC 2.0 is an opensource Mac OS X application intended primarily for the design and modeling of antennas by Kok Chen, W7AY

Universal radio IC-V8000 page includes accessories and photos

Audio and waterfall images of some sounds found on the RF spectrum

This is an 80 metre dipole that fits in a small spac

AP Communications CB and Amatuer Electronics Sales

The 9A3MR contest QTH rental provides a fully equipped amateur radio station for DXpeditions or radio holidays on Murter Island, Croatia. The station features a Drake TR7 transceiver and a 16-meter tower with a rotator, suitable for various HF operations. Accommodations include a four-room apartment and a studio apartment, both within 200 meters of the beach, offering amenities like parking and a barbeque area. This QTH is located in Jezera, a fishing village with local stores and restaurants within a five-minute walk. While Murter Island itself does not qualify for IOTA due to a bridge connection, the Kornati Islands National Park (IOTA EU-170) is only 10 nautical miles away, with daily tourist tours available. The Krka National Park is also accessible by car, approximately 25 km distant, providing additional recreational opportunities.

The simple and safe RS232 CAT interface for Yaesu FT-1000MP, FT-1000MP Mark V and FT-1000MP Mark V Field rigs

AM-6154 222MHz grid Conversion Information by N0UK

Garmin Kenwood Icom Vertex Alinco and more

This is the table of contents to a list showing how the radio frequency spectrum is allocated to different users in the United States.

This computer control program is specifically designed for the Yaesu FT-920 transceiver. Freeware windows application.

The digital wattmeter project was created for the purpose of measuring power in the range of 300nw to 30w.

Canadiam ham radio dealer for Alinco, Alpha Delta,Bencher, Ameritron,Anli,Butternut,Comet,Daiwa,Cusfcraft,Icom,Kantronics,Laha,Vectronics,MFJ,Yaesu products

Recen Kenwood TL-922 (TL-922A, TL922) modifications

Table of Frequency Allocations as published by the Federal Register and codified in the Code of Federal Regulations remains the legal source material.