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The **Solarcon A99** vertical antenna, a half-wave over a quarter-wave variable mutual inductance design, primarily serves the 11-meter CB band but also finds use on 10 and 12 meters for amateur radio operators. Its simple construction, consisting of three fiberglass sections and a 16 AWG radiating element, makes it an accessible option for new operators or those seeking an easy-to-install base station antenna without complex mounting requirements. Despite claims of 9.9 dBi gain being widely considered exaggerated, and a manufacturer rating of 2000 watts power handling often viewed with skepticism (with 300 watts suggested as a practical limit), the A99 maintains popularity due to its low cost and ease of deployment. It typically tunes to a 1.2-1.3 SWR out of the box, requiring minimal adjustment via its two tuning rings. Its high angle of radiation allows for effective local communication even when mounted at low heights, such as 8-10 feet off the ground. However, the A99 is known for significant RF bleed-over issues, particularly when operated with higher power or mounted close to residential electronics. While its internal design is often described as cheap, the antenna exhibits remarkable durability, frequently lasting a decade or more in various weather conditions. Its affordability and straightforward setup continue to make it a go-to choice for many radio enthusiasts.

G0UPL QRSS receiver inspired by I1DFS receiver

Amateur Radio Club in Edinburgh. Founded in 1949 with twice monthly meetings and a range of activites including talks, DF hunts, vists and contesting.

Personal site of Russian DXer Dmitri Mezin. Contains a fresh edition of his Signal bulletin, archive of all previous issues and QSL gallery.

Batteries and chargers

"KC2DVQ ""CB Os Piratas"""

Dipoles at the correct height are not only stealthy antennas, they work great

Pakistan swl dxers

Batteries online store

DMRconfig is a free utility for programming digital radios via USB programming cable. DMRConfig support several DMR transceivers by TYT, Baofeng, Anytone, BTECH, Zastone, Radtel.

6BTV (or 5BTV or 4BTV) mod for 12 and 17 meter bands, how to make a 7BTV or 8BTV or 9BTV, easy and cheap

A club for hams who are also regulars on IRC (Internet Relay Chat).

A selection of radio collectors from all around the world interested in collecting, repairing, restoring, trading, selling parts, radio magazines, advertising collectibles, old records and technical talk.

Understanding Solid State Linear Amplifiers

IC-7600 User Evaluation and Test Report by VA7OJ

Collecting and history of CRT tubes and physics instruments

This group is dedicated to those who are interested in getting started in amateur radio or upgrading to a higher class license

Yaesu FT817 all band, all mode handheld transceiver article.

Manufacturer of WiFi (2.4 & 5 GHz), Marine WiFi, Military and other antennas of various frequencies and styles.

Amateur Radio dealer based in Japan

The N3UJJ antenna project,parallel-cage dipole a multi-band horizontal antenna, without the need of an antenna tuner.

Basic guide on soldering techniques, tips and tricks

How to have a way of elevating an antenna connected to the mobile rig in your car or truck.

Distribution list for Clandestine Radio Watch a 'twice a month' summary about recent Clandestine Radio and Clandestine Radio related activities edited by Martin Schoech

An economical dipole for simple QRP HF homebrew rigs

Web Site of Ukrainian Club Amateur Radio station from Vernadsky Research Station on Galindez island EM1U

The function of the XPhase is based on the fact that the interfering signal, received by an auxiliary antenna, is added phase-shifted to the signal received from the main antenna. When the phase-shift is more or less 180°, the interfering signal is canceled out.

21 February to 6 March 2013 XT2TT Italian Dxpedition Team will be in Burkina Faso Online Log XT2TT and Live Stream

P16PRO and PICALL Microchip PIC programmer

This is a presentation used at OVARC on the LindenBlad antenna construction. The presentation cover several topics about this antenna, from the basic antenna design, to the guide on how to contruct a custom lindenblad antenna for the 2 meters band and and 70 centimenters band.

Adam, VA7OJ/AB4OJ's IC-756Pro III User Review

The free CW Speed Training Software for Windows by JI0VWL

A versatile hybrid synthesizer for UHF and Microwave Projects

W5ALT Antenna notes for a dummy dedicated to restricted space antennas

Site for owners & prospective owners of the Ten-Tec Model 516 Argonaut V Amateur Radio Transceiver.

Sell all types of obstruction lighting. Lighting for your ham radio antenna tower. Genesis Lamp stocks a wide variety of replacement bulbs and specialty replacement light bulbs including: airport lighting and airport light bulbs, incandescent light bulbs and more

Manufacturers and Installers of Masts, Towers, Antenna systems, Trailer Masts, Lattice Masts and Bracketry. Radio, CCTV and lighting masts, tower Refurbishments, safety surveys, mast tower inspections, safe to climb certification

An Energy Analysis at an Impedance Discontinuity in an RF Transmission Line

During a club's "Filetto Day" event, a comparative field test was conducted between a **Buddipole** antenna and a homemade 20/40-meter wire dipole. The author, IW5EDI, performed this personal evaluation from a mountain top at 1500 meters above sea level, utilizing a Yaesu FT-857D transceiver to switch between antennas. The observations on the 20-meter band indicated that the wire dipole consistently delivered significantly stronger signals compared to the Buddipole. Additionally, the Buddipole exhibited higher levels of **QRM** during the listening tests. The commercial Buddipole, known for its multiband capability and compact size with a self-supporting tripod, was contrasted with the simpler, larger wire dipole, which required a fiberglass fish pole for support. This direct comparison highlights practical differences in performance and deployment between a popular portable commercial antenna and a basic wire antenna in a real-world operating environment.

cq-contest reflector comments about the performance of the EWE receive antennna collected by KA9FOX

Clean Up Your Signals with Band-Pass Filters

San Andres 2013 DXpedition 5J0R

Wolverine Power Systems provides generators, rental, service and repair located in Holland, Michigan.

Oakcallsigns.com specializes in custom-crafted oak call signs, presenting various designs for amateur radio shacks. The resource showcases different styles, including standard call sign plaques and options featuring iconic ham radio silhouettes like the _D-104_ microphone. Each item is described with pricing, ranging from $15.00 to **$25.00**, and includes details on shipping and seller reputation. The platform highlights the craftsmanship involved, emphasizing personalized scroll-saw work on each oak piece. It details the seller's positive feedback rating of **99.4%** from over 10,000 transactions, indicating a reliable source for these unique accessories. The site also provides information on the number of units sold for specific designs, such as 2,338 for the standard call sign gift and 554 for the smaller personalized version. This commercial offering focuses on decorative and personalized items for the ham radio enthusiast, distinct from operational equipment. It serves as a direct retail channel for custom shack adornments.

This transverter can deliver about 25w on it's own, and runs on 12v, making it suitable for portable service.

An home made low pass filter for 70 MHz by IK0VAQ

This simple utility is intended to facilitate the coversion of a properly formatted ADIF file to a delimited text file. This file may then be used for import into such applications as MS Excel or others.

K6FRC/B 6 m beacons website

This Radio Direction Finder Device Connects to an FM Receiver, Transceiver, or HT

Handheld Radio Pouches, Power Supplies, Solar Recharging Systems, GPS Navigation Devices and 12V Accessories