ameritron als 600

Multi-Band Super Mini Loop Antenna  ^pop - How to make the Super antenna. To build this antenna you need a lot that is at least 100 feet across. Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands This antenna works as a Full Wave Loop on 80 Meters and also works as a 2 wavelength open loop or Bi-Square on the 40 Meter band

Antenna Fundamentals - Adalet wireless document on antenna basics in a four pages pdf file

Radiation Characteristics - Tailoring Patterns for HF Verticals

Sidemount VHF/UHF Antenna - This antenna is designed to be mounted off the side of a tower. Works on 136-153 Mhz range but also on 70 cm band

OK0EN 3600 Khz Beacon - Running 150 mW by OK0EN

VVARA - Verde Valley Amateur Radio Association - Group of Amateur Radio operators, generally from the Yavapai County area in Arizona, who share common interests, goals, and aspirations.

Sandpiper Aerial Technology LTD - Sandpiper has been designing and manufacturing aerials for over 25 years. Offer HF Dipoles and verticals, VHF UHF Yagi, collinears and other beam antennas, elical antennas,quagi,moxon, and portable antennas, tripods mounts and fiberglass poles

XYtronic - Soldering and de-soldering professionals. Provide quality stations, irons, and rework systems

Gage Applied Technologies - Gage applied technologies designs and manufactures high-speed data acquisition systems, high-speed digitizers in pci / cpci / pxi or pc oscilloscopes, providing utmost measurement fidelity for high frequency signals.

Radiosonde : how to listen to them - Frequencies and location of every meteo radiosonde launching centres in Europe. Equipments, antennas, history, SondeMonitor and BalloonTrack tutorials

AA4DF's Consumer Electronics Repair - Look for free manuals (download) in amongst paid offerings for test equipment manuals. The freebies page also has mostly ham material. We do also sell major ham collections at pretty much close to our production and distribution costs.

Yaesu VX-2R Review - Dave N9EWO's view's and comments on the Vertex-Standard-Yaesu (V-S-Y) VX-2R also compared to the Icom IC-P7A

M.C. Howard Electronics - Distributor of Common Electronic Components Such As Memory, Integrated Circuits, Discrete Components, Cables And Services. We Also Provide Prom Programming, Simm Manufacturing, Testing And Custom Kitting.

Memphis Amateur Electronics - Carry hundreds of ham radio products including amateur radios from Alinco, Icom, Kenwood, and Yaesu, plus ham radio products from MFJ, LDG, Diamond Antennas, Hustler, Ameritron, Astron power supplies, and books of all kinds

Cupeles Electronics LLC - Two way radio communication services for Kenwood Icom Yaesu radio and ameritron drake cliperton henry heathkit amp yaesu kenwood linear amplifiers based in Harrisburg, PA by WB3M

OH2FFY Ham radio and shortwave listening - QRP Homebrew Ham Operator and constructor in Finland. Also works on the CB2HAM radio conversions and is into shortwave listening

BeSpeak - BeSpeak is a real time HF beacon announcer. You select a band and the screen shows location, callsign and status of the beacon transmitting at that time.

Panel and Dial - Freeware windows and linux tools to design front panels and dials labels for your home-brew projects.

QST Browser - A Mac OS X application for searching and viewing the back issues of periodicals that are published by the ARRL in CD-ROM format.

Test Tone Generator  ^updated - This Test Tone Generator (TTG) turns your PC into a function generator and enables you to demonstrate, test and tune sound systems, create sound effects and a whole range of other uses to suit your needs. It can also be used for educational purposes.

Spectrum Analyzer Real-time FFT - Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.

Voice Keyer - The Voice Keyer is a free Windows based voice keyer. It is very easy to use and it handles up to seven messages. By connecting your computer soundcard to your radio it's possible to just press a button and the computer will CQ for you, to spare your voice. It can also PTT your radio via the LPT port by SM3WMV

Lightning Protection Specifications - Materials, installation, inspections and certification

Fundamentals of Lightning Protection - National Lightning Safety Institute

Sound Card Interface by VK6YSF - Presented here is a transceiver to computer sound card interface complete with automated transmit key function. A sound card interface is simply the audio coupling of a computer soundcard and a transceiver to allow various computer applications that send and receive SSTV, RTTY, PSK31 and other similar modes based on soundcard generated signals.