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160 meters long wire antenna - The Ladder-line Twin-lead Marconi Antenna system for 160 meters band

Restricted space 80 meter antenna - This article describe a small single wire antenna running on the side of the building allow operations on 80 meters band

Wire Antenna for 75 and 80 Meters - This article is about a wire antenna that covers the entire 3.5 to 4.0 MHz band with an SWR below 2:1 consists of two coupled dipoles, one resonant at about 3.5 MHz and one resonant at about 4 MHz, resulting in the low SWR

Phased Array Discussions - Interesting discussion about phased array antennas

The Quadix Antenna - The Quadix is a circularly polarized parasitic array, a hybrid between a helix and a quad or loop yagi

A Pyramidal Antenna for 14-30 MHz - This article is about a type of log periodic antenna that surprisingly little has been written about

The Feedback Rhombic - Planning and homebrewing rhombic antennas

The HO Collinear, a Horizontal Omni - The HO Collinear is a 4 element horizontally polarized omni for two meters

Monthly QRP contest calendar - QRP Contest Calendar All contest have QRP Categories by N3EPA but no more updated since 2011.

Hungarian Beacon List - List of beacons in Hungary

St. Louis County SKYWARN/RACES - St. Louis County RACES and SKYWARN

WØMR The Mining Amateur Radio Club - Welcome to the w0mr website, 3m club of st. paul, mn, amateur radio club

SARC - Shelby Amateur Radio Club - Shelby Amateur Radio Club - hosts of one of the largest Hamfest in the country. Still the Shelby Amateur Radio Club's Shelby Hamfest but now in Dallas, NC

SARC Shelby Radio Club - Setting the pace in Cleveland County Amateur Radio for over 50 years. ARRL Affiliated / Sponsor for ARES (amateuer radio emergency service) of Cleveland County, NC. Sponsor of the famous Shelby Hamfest

Mike And Key Amateur Radio Club - Mike and key amateur radio club is the home to radio amatuers in the pacific northwest.

ICQ Podcast - ICQ Podcast The home of the Premier Amateur Radio Podcast, podcasts, forum and Amateur Radio News and views.

Albany scanner - Albany live radio scanner

M3 Electronix - Offers high quality electronics test equipment, in kit form, to enhance the test bench of any technician or hobbyist. Our goal is to provide reliable, affordable products with unmatched technical support

UK_ATV : UK Amateur Radio ATV - This group is for any Amateur Radio Televison Enthusiast. From 70Cms - 13Cms and above.

Solar Activity and 3-day Predictions - Prepared jointly by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center and the U.S. Air Force.

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.

MetricTest - New and used test equipment, oscilloscope, spectrum analyzers, multimeters, signal generators, power supplies, network and signal analyzers and more

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.

Cook up your own emergency power pack - This article provides a basis to brew your own emergency power pack depending on your needs and tastes.

Solar Power Tower - Amateur Radio Repeaters - KD8EAD / KD8FJH entirely solar powered repeater near tar hollow state forest. APRS Digipeater in operation on site.