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

USB LSB AM Modem (Modulator/Demodulator) for SdR and DSB (direct conversion) transceivers by F6CTE

This little gadget is that it allows you to tune up at full peak output power, whilst limiting the average power to a fraction of the peak, thereby protecting the PA from meltdown

An air cored 1:1 balun for 3.5 to 30.0 MHz

Tuning control of the Yaesu FT-736R multiband VHF/UHF transceiver.

Comprehesive page on TS-940 TS-940 reference maintained by ZL4AI Jeff

All about amateur radio, police scanner frequencies. Frequency Listings for Kentucky, West Virginia, Virginia and others. Add your URL to the Scanner Link Page.

Information about railroad radio channels and frequencies is provided along with laws relating to using scanners as well as tips and suggestions for programing and using radio scanners.

How to build a high gain vertical antenna for the UHF amateur or CB Bands, by radio experimenters handbook

Schedules and local radios broadcasting from and to Iraq during war.

Eham members Yaesu VX-7R review

This resource presents over 100 Q-signals, each with its corresponding question and answer format, as standardized by the International Telecommunication Union. The content delineates how these abbreviations can be expanded with additional groups, call signs, place names, or numerical data to provide specific context. It clarifies that a question mark following an abbreviation or its complementary information transforms it into a query. The document highlights that these operating signals, or Op Sigs, are prescribed for international use across all communication types, including military and non-military applications. It references their inclusion in Appendix 9 to the Radio Regulations Annex of the International Telecommunications Convention (Atlantic City) 1947 for QRA to QUZ blocks, and ICAO publications Dec 6100-COM/504/1 for QAA to QNZ blocks. The page specifically marks Q-signals of particular interest to amateur radio operators in red. The utility of Q-signals for concise communication in radiotelegraphy is evident, providing a structured method for conveying complex information efficiently. The resource serves as a practical reference for operators needing to quickly interpret or formulate messages using standardized codes, particularly beneficial for CW operation and international contacts.

Antenna Warehouse provides a range of certified quality wire products for amateur radio and general communication applications. Their inventory includes Francis antennas, known for their robust construction, alongside the versatile Select-A-Tenna series. The company also stocks Solarcon 10/11 meter base antennas, catering to specific band requirements for 27-28 MHz operations, and various Wilson antenna models. Beyond product sales, Antenna Warehouse offers services such as antenna tower installation, repair, and removal. These services support the complete lifecycle of antenna systems, from initial setup to maintenance and decommissioning. The product selection emphasizes components for both fixed station and mobile installations.

The dynamics of antenna design

The FL-2100Z amplifier referenced in the following images is the 6-Band model covering 10m thru 160m (no WARC bands) and not the 9-Band version that included the WARC bands. Modifications, schematics and manual

Offer Aluminium tubes for antenna parts

Simulates a **CW** contest environment, presenting operators with realistic scenarios for improving their receiving and sending proficiency under pressure. The software generates varying signal-to-noise ratios, QRM, and QRN, replicating conditions encountered during actual **DX** contests. Users practice copying callsigns, exchange information, and manage pileups, with customizable parameters for speed and difficulty. The program provides immediate feedback on accuracy and speed, allowing for targeted skill development in a controlled setting. It supports various Windows operating systems, from Windows 95 through Windows 10, and can also run on macOS using Wine.

Software for radiomonitoring, radio spectrum analysis. MDS is designed for the real time radio spectrum analysis. It performs real time activity analysis, signal search and collects spectrum data for post time analysis.

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.

Daiwa Industry, maker of power suppliers, coax cable and antenna switches, power meters, SWR meters, DC-DC converters

ARS repairs all major brands of Amateur Radio equipment (Icom, Kenwood, Yaesu, Alinco, etc.) in our Portland Oregon area service facility

eham FT-1000MP MKV review

Horizontal HF 6-Band turning arranging emitter with 2 elements Maria Maluca

Determine the K-Factor used as a multiplier when constructing half-wave antennas.

List of italian airport frequencies

40mm diameter grey PVC pipe with a length of 9.5cm

Real Time Flight Tracking and Monitoring

A 70 cm and 2 m arrow-like antenna by DF8GH

Worldwide airports informations

Lot's of info on 950sdx tranceiver by Jeff King ZL4AI/DU7

The idea of using a low mount dipole, enhanced with reflector wires directly beneath the dipole, on the ground, appears to be a very good approach to creating an NVI specific antenna for local HF operation.

Eham users review of Kenwood TS-2000

Details the offerings of Ham Buerger Inc., a company founded in 1965 to support the amateur radio community with communications products. The business provides a range of equipment, including Uniden Digital scanners, and maintains a section for equipment blow-out sales that feature professional 2-way radios and cell phones. Additionally, the company stocks hard-to-find NuTone products and provides repair services for most NuTone equipment. The site also references an Amateur Radio Band Plan and links to other ham radio resources, alongside a new product offering for RV and marine toilets, indicating a diversification beyond core amateur radio supplies.

AirMail is a HF radio mail program for sending and receiving messages via Pactor, either via the ham radio system or participating marine or commercial services

Eham IC-718 reviews

CB distributor in the Netherlands since 20 years

Dutch society of collectors of old ex-military radio equipment and other nostalgic receivers and transmitters

Allow 9 bands and 1300 Watt output on the TL-922 amplifier with this document by PA0FRI

Easy to use CW Trainer for Linux. Adaptable for both the Koch and Farnsworth method of learning CW. Makes random tests or can read text from a file

Here you can find Boatanchors on the air.

Geog is a suite of programs written by Andy Talbot ( G4JNT ), some of which make reference to a database of UK terrain heights, to provide useful information for radio amateurs

no tune SSB/CW transceiver for 1296, 2304, 5760 and 10368 MHz

EI5FK tower project

Manufacturers of high performance low power am transmitter products: sstran amt3000, bc-100, and the mw-250. for home and professional use.

Report of solar & geophysical activity

Free Morse Code CW training software for Android supporting the Koch method by IZ2UUF David

Hints about Jpole Yagi and Quad antennas

Eham reviews of the popular Yaesu FT 847

Producers of Scancat, Copycat, Magic and Distributors of HOKA's CODE-3 and CODE-30 decoders.

FT-817 product review at eham.net