air core baluns

ZL1BPU Rotator Controller - A very simple controller circuit, with fairly smart performance! The ZL1BPU Rotator Controller has been designed as an add-on unit for the popular Kenpro KR-400 and Yaesu G-400 rotators. The controller consists of a small circuit board which fits inside the rotator control box (see picture).

Resoration and Repair Tips - These are Boat Anchor related restoration and repair tips from various sources.

Sci.Electronics.Repair FAQ - This site features Samuel M. Goldwasser's latest and greatest "Notes on the Troubleshooting and Repair of..." series of comprehensive repair guides for consumer electronics equipment and other household devices.

Antique Mall Books - We have a large selection of PHOTOFACT, repair manuals as well as some Perpetual Troubleshooter's Manuals. New ones are added almost daily.

Camden Antique Radio Service Priority listing - Expert, affordable antique radio repair, all home and auto vacuum tube radios, located just south of Atlanta Georgia

Antique Radio Repair and Restoration - Classic Radio Restorations specialize in professional repair and restoration on all makes and models of antique radios and vintage phonographs. Since 1978.

N1KXR/B Ten-Meter Propagation Beacon - The N1KXR/B went on the air at 21:00 Hours EST on Saturday, November 22, 2008. This beacon is coordinated with the IARU Region 2 HF Beacon Coordinator and is located in Deerfield, Massachusetts USA

SOTA Awards - SUMMITS on the AIR Awards, award programme for radio amateurs

Mackenzie Highway Network - The Mackenzie Regional ARC currently Operates the VE6PRR (146.82- ) repeater. It's located approximately 15 Km North of Peace River. It is linked to the SARA system via Grande Prairie. We are currently in the process of expanding the coverage by adding number of repeater sites through out the area.

Triple A Amateur Radio Association - An American Radio Relay League affiliated Special Service Club, serving Beaver County, Pennsylvania which is 28 air miles Northwest of Pittsburgh, PA.

Yuma Hamfest & Electronics Expo - Yuma County Fairgrounds, Yuma AZ. On site RV/camping facilities. Seminars, Exams, Tailgating.

GlobalTuners - GlobalTuners provides access to remotely controlled radio receivers over the internet. You can listen to ham radio, shortwave radio, air traffic control, airband, ACARS, airports and much more. Tune remotely controlled receivers from all over the world with your browser and listen live.

MicroMetal - Manufacture high quality low cost powder cores with a wide selection of shapes

Aircraft Spruce and Specialty - Offer Aluminium tubes for antenna parts

Big Hair's Antennas - High Performance, HF, CB, base and mobile antennas

Boatanchors on the air - Here you can find Boatanchors on the air.

YAESU FL-2100Z Amplifier Repairs - 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

DX-Wire - German internet shop for difficult-to-find components, which are used by radio amateurs. Antenna parts, masts and mounts, cables connectors, wires, rf-chockes, toroids cores, twin-lead, teflon -strand, insultators

Australian Vintage Radio - STC, AWA, Valve Radio, Airzone, Kriesler, Mullard, Western Electric, dating Australian radios

Ridge Equipment - Sells a broad range of Electronic Test Equipment as well as a full line of Cables, Connectors, Loads and Accessories for commercial or amateur antenna installation and repair.

KC9L PSK - KC9L PSK is a free PSK31 program based on AE4JY’s PSKCore DLL. It supports 5 RX channels, full duplex operation, and more. Even if it's development has been dismissed, is a good tool for windows 95/98 pc.

Ham Club Membership - Ham club membership management software, designed to assist either the secretary, membership chairman, or any one else in a ham radio club to maintain accurate records about it's membership, vital documentation, or club assets by Alpine Software

AA Battery Solar Charger - This almost trivial circuit may be used to charge a pair of AA or AAA sized rechargeable battery cells from sunlight.

500mw CW Transmitter - A very quick and easy way to get on the air is to build a "Michigan Mighty Mite" CW transmitter for 160, 80, 40 or 30 meters. It can't get simpler than this. It has very few parts, costs almost nothing, and it works! Cost estimate $10 by VE6WTF

A single board no tuning 23 cm transverter - This transverter uses bandpass filtering with printed hair-pin filters. By KK7B