palomar 321 spec

The Field Day Special Antenna - Antenna that's simple, inexpensive lightwiight and easy to install

Balun and Transformer Core Selection - Occasionally errors are made regarding core selection. This especially includes baluns, where on occasion some very strange ideas surface.

The 9:1 balun  ^pop - Antenna special on hard-core-dx.com

Balun measuements - Why can't you find the specifications for the baluns on the market? The only specifications you'll see are the ratio, the power rating and a bandwidth that is more hoped for than reality.

Loop Antenna Design - Full-wave loops are very popular antennas. They are especially useful on 80 and 40 meters where they perform well at modest heights

A Modern Thermocouple Ammeter - Thermocouple ammeters are very rare these days, but the job they were perfect for - measuring antenna currents - is still a modern requirement especially in respect to groundplane currents. By David A. Reid PA3HBB G0BZF

Coaxial Traps for multiband antennas - A new perspective on the analysis and design of this popular antenna element. By Karl-Otto Müller, DG1MFT

USA frequency allocations - The radio spectrum in usa, PDF File representing the united stares frequency allocations in graphical mode, by NTIA

SWODXA - South West Ohio DX Association - SWODXA is comprised of active DX'ers and contesters with a deep passion for all aspects of Amateur Radi

The Mast Company - Telescopic fiberglass poles, tubes, special products for Amateur Radio stations suitable for ARES / RACES and other public service applications

TET-Emtron - Australian antenna manufacturer specialise in supplying amateurs with the best quality products. Amateur radio multiband Yagi antennas, balums, cb antennas, dipoles

microHAM - Supply high quality accessories for your ham shack, including Band Decoders, various types of Antenna Switches, Antenna Stacking devices, special devices designed for the SO2R operator, USB Interfaces, Digital Mode Interfaces, Keyers and many others

Expanded Spectrum Systems - Flash crystals, Feakin' beacon keyer, beacon attenuator

Sunstone Circuits Priority listing - Sunstone Circuits is your easiest source for quoting and ordering printed circuit boards online. We are three respected brands in one: PCBexpress quickturn boards, PCBpro.com full-featured and design-checked boards, and PCB123 design software.

Spectrum Instruments - Spectrum manufactures very high-performance, low-cost, GPS-disciplined time and frequency reference standards for industry, scientific, calibration, broadcast and amateur operators.

KJ6Y's Communications service co - Antennas and Towers for Amateur Radio Specializing in installation and maintenance of Tri-Ex and US Towers

Genesis Lamp - 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

Canada, radio spectrum allocations - Graphical maps of radio spectrum and frequency allocations in canada

MARC: Motorcycling Amateur Radio Club - MARC is dedicated to providing safe and reliable two-way radio communications for selected charity events in their respective regions

Circuit Specialists - We specialize in pc-based data acquisition systems, test equipment, electronic components, disk on modules, choke and coils, diodes, capacitors and connectors, potentiometers, crystals, resistors, relays

Com-West - We are Western Canada's LARGEST Amateur Radio Retailer. Although we specialize in Amateur Radio Equipment, we also have equipment for the scanner enthusiast. For our commercial customers, we have Land Mobile Avionics and Marine radio equipment.

TopQsl Printer service - Italian QSL printer. Print from years qsl cards for amateur radio operators, especialy print standard qsl cards and personalized qsl cards, but our challange is print the best qsl cards possible for ham radio operators.

FFT Explorer - A free (GPL) Linux (Xwindows GUI-based) utility that performs spectral analysis on real-time data from a sound card or other source, and can analyze the spectra of various sound file types. It can also accept data from many kinds of applications in plain-text form by way of the "named pipe" feature of Linux

Logger32 for 11m - Logger32 special version dedicated to eleven meters band operations

Delabs technologies Product Design and Engineering - Around 200 electronic circuits in pdf format or images, There are also over 1000 links to useful electronics, freeware, open source websites. There are some 100 useful documents, software and pcbs too. Mainly industrial electronics, instrumentation. Covers Various aspects of electronics and basics of circuit design.