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Dipole, Yagi, Vertical, Cubic quad, Log periodic, J-pole, coil, and transmission line design package for the Macintosh

SSTV software is now available for the Macintosh computers, for the first time.

The radio spectrum in usa, PDF File representing the united stares frequency allocations in graphical mode, dated 2003

Schematics and plans to build a custom CAT and audio pc interface

Sharing beverage antennas with this switch boxes is possible. This article describes a 6-position remote antenna switch for Beverage antennas on 3 bands (160m, 80m, 40m). It allows selecting one of 6 antennas for each band without affecting other receivers. The system uses a control box with a rotary switch and a separate splitting box with bandpass filters for each band.

HamRadioHomebrew Cat Interface for Yaesu FT-897 by PE1OPM

Modification to the Bearcat 210 scanner for reception of 137 Mhz FM is a fairly simple process.

Transmitter power limits and frequencies allocation by band

Here are construction plans of a Turnstile antenna that I use for space communication on the 2 meter amateur radio band.

Modification for FT-879D to remove the white noise spreaded far above 3 kHz by Petr OK1FIG

Table of frequency allocations international & US by Bill McFadden

On-line calculator for Maidenhead locator calculations. It will work out your Maidenhead locator if you supply it with map references or calculate map references from your locator code.

calculate maidenhead grid square and coordinates

Freeware by AE4RV. MorseQuiz is a Morse Code Speed Trainer for DOS/WINDOWS that can help you improve your code copying ability.

Yaesu Kenwood, drake MFJ JPS JRC AOR Daiwa Hygain Weltz Uniden Lowe Black Jaguar Trident dealer

Amateur radio dealer, scanners and accesories Burnaby, BC, Canada

The safe RS232 CAT interface and PA buffer for Yaesu FT-817, FT-857, FT897 and FT-100 rigs

Welcome to the Ham Radio Shack of V31MD at Palmetto Place Guesthouse. The Shack is available for rent on a daily or weekly basis.

The EZ QRA Locator softawre is a simple software for the calculation of QRA locators

Yaesu CAT Cable for FT-817 857 897

MQ-1 four band HF beams 20,15,10,6 meters MQ-2 six band HF beams 20,17,15,12,10,6 meters, beam antennas and Hybrid Quad antennas

MC-50 microphone modification for high emphasis, connecto kenwood ts-50 to kenwood radios.

IC 706 modifications collected by mods.dk

An android app to remotely control your Yaesu FT 857 817 897 using a common Bluetooth CAT interface. Schematic provided.

Interactive great circles and QRA Locator map

Features and specifications for discontinued yaesu ft-100d radio

Conversion notes and amateur radio firmware especially for Finnish PMR radios and cellular phones like Nokia, Mobira and Benefon. Also some information for other European brands (Ericsson, Key Radio/Kyodo, Philips) and an extensive link collection.

The Yaesu FNB-78 Battery plugs into the FT-897/D. It produces 13.2 VDC at 4500 mAh. The radio can hold one or two and one can be in use while the other is charging.

The **Black Cat CW Keyer** is a macOS application designed for amateur radio operators to transmit Morse code directly from their computer. It provides functionality for typing text to be sent, either immediately or buffered, and allows for the creation and transmission of pre-defined messages via single-key shortcuts. This software addresses the need for a flexible and accessible CW keying solution, particularly for Mac users who might find fewer dedicated ham radio applications compared to other operating systems. It integrates basic text-to-CW conversion, offering a straightforward interface for generating Morse code signals. Operators can utilize the Black Cat CW Keyer for various CW activities, including casual QSOs, contesting, or beacon operation. Its ability to buffer text allows for smoother transmission, while the single-key macro feature streamlines repetitive message sending, such as CQ calls or contest exchanges. While specific comparisons to other CW keying software are not detailed, its macOS focus provides a niche solution for Apple users. The program's utility lies in its direct approach to computer-based CW transmission, making it a practical tool for those seeking a dedicated **CW keyer** on the Macintosh platform.

Manufacturer and direct seller of shortwave and ham radio antennas and accessories like TINYTENNA & YO-YO-TENNA

Experience and modifications of ICOM IC-751A

Largest hamfest in the SouthEast by The Orlando Amateur Radio Club

Explains the Federal Communications Commission (FCC) vanity call sign program, outlining the specific rules and procedures for amateur radio operators in the United States to obtain a personalized call sign. It details the eligibility requirements based on license class, the application process using FCC Form 605, and the various group formats (e.g., _1x2_, _2x1_, _2x2_) available to different license classes, such as Extra and Advanced. The resource clarifies the priority system for vanity call sign requests, including previous holders and close relatives, and discusses the typical processing times for applications. It also provides insights into how the FCC assigns available call signs and offers practical advice for increasing the likelihood of securing a desired call, referencing the _ARRL Letter_ for updates.

VX-5R Loose antenna cure, Vx-5r Free Band, VX 5 R modification for German, VX-5R expanded frequency mod, VX-5R MARS/CAP & freeband mod

For amateur radio operators seeking a specific call sign, RadioQTH offers a specialized online service to track FCC vanity license applications. The platform provides detailed listings of ham call signs from the FCC database, indicating those becoming available for vanity requests on specific dates. Users can access links to future availability, view recently granted vanity applications, and check the current status of applications already filed with the FCC. The data is sortable by call prefix, district, or suffix, facilitating a targeted search for desired call signs. This resource leverages real-time FCC data to assist hams in navigating the vanity call sign application process. It serves as a practical tool for predicting when a call sign might be obtainable, which is crucial for operators planning to upgrade or personalize their station identity. The site's functionality helps users monitor the progress of their own applications or identify potential call signs for future acquisition, streamlining a process that can otherwise be quite opaque.

ICOM IC-706MKII out of band Xmit Modification

Connection between your FT817 and PC

Developed by IZ3MEZ offer a click and show WW locator information using Google Maps API interface.

Apply for vanity call-signs at FCC web site

Theory, Modeling, and Practical Applications By W5JCK, presentation in PDF File. This presentation focuses on Near-Vertical Incidence Skywave (NVIS) antennas, which are crucial for short-range radio communications, particularly in military and emergency contexts. It explores NVIS theory, antenna models, and installation criteria while debunking common myths about reflectors. Key topics include usable frequency bands, optimal installation heights, and the impact of soil quality on performance. The presentation outlines the best bands for daytime and nighttime use, emphasizing the importance of understanding propagation characteristics to enhance communication effectiveness within 200 to 300 miles.

Some interesting mods for the 847

CB shop in north France

CocoaModem is an opensource MacOSX application which implements modems (modulator-demodulators) for RTTY PSK MFSK Hellschreiber CW SITOR HF-FAX provided by W7AY

A large locator map of europe available also on printed format by remoteqth.com

Mods for ICOM IC-706

Audiocorder is a VOX program which allows your Macintosh to act as an audio recorder

Amateur Radio Ham Radio Maidenhead Grid Square Locator Map online. This map allow just a point and click to determine dynamically the correct six characters locator. Other functions allow to calculate the distances among two given locators, or coordinates. Hover over map, specify grid, or enter latitude and longitude to show grid and/or calculate distance. Map is powered by Bing Maps.

MARS CAP Mod for TS-570

WiNRADiO Communications manufacture radio communications equipment for a very wide range of applications. Our customers include professional communications radio users in government, military, security, surveillance, spectrum monitoring organizations, telecommunications, industry, as well as radio and computer enthusiasts.

Modifications collected by mods.dk