high voltage transformer

3 elements 50MHz LFA Yagi antenna Priority listing - A Very compact, high gain LFA Yagi for 50MHz a good stacker and a must look!!

9 elements 50MHz 12.5Ohm Yagi - A DX antenna for Serious hams. High gain, super flat SWR. The ultimate 9el 50MHz Yagi

5 elements 50MHz 28Ohm OWL Priority listing - a very compact, high gain 5 elements Yagi for 50MHz

11el 50MHz OWA Yagi Priority listing - A real Monster true OWA for 50Mhz with real serious performance. Constant impedance, supper low SWR, high gain and F/B and easy to build.

The Versatile Vee Beam - An aerial that you can use on all eight High Frequency amateur bands (80, 40, 30, 20, 17, 15, 12 and 10m) with an antenna tuner, and which gives significant gain on the five bands from 20 m to 10 m

Fabricating Impedance Transformers - Fabricating impedance transformers for receiving antennas by John Bryant

X-QUAD Antennas - The X-Quad is an improved development of the well-known multi-element quad. Switchable polarization, high gain 2 m and 70 cm antenna

13m high elevated vertical - This article explores the performance of an unloaded elevated vertical, base matching and feed line as a multi-band HF antenna system.

Long Range Wi-fi Dish Antenna - Build parabolic WLAN antenna adapted from a small satellite dish. It provides high gain and long range connections.

GB3MN and GB3VT Streams - 3.697 Mhz 80 Mtr Late Night Net[22.00gmt-05.00gmt]HF SSB. GB3VT Stoke on Trent 2 Mtr Amateur Radio Repeater 145.725Mhz[05.00gmt-22.00gmt] These streams now run back to back with high quality 64kbps aac+ and are availiable 24/7/365.

Reno and Sparks Police - Nevada - Includes Washoe County Sheriff, Nevada Highway Patrol, UNR Police Reno Police, Sparks Police

Delta Sigma, Inc. - High Power RF Amplifiers by Delta Sigma, Inc

Eagle 1st - US made, accessories for the RF laboratory; including Return Loss Bridges, high performance coaxial cable assemblies and test filters.

Martek Power - Martek Power designs and manufactures a wide of high performance power supplies for various industries. Power supplies AC-DC, DC-AC inverters, DC-DC, EMI Filters

The Radio Telegraphy High Speed Club - HSC Club official web page

Operating High Speed CW - K0RU article on high speed morse code

Become a high speed CW operator - How to become a High Speed CW operator, summary of information by AH6NB

High Speed CW Nets - PDF File with a list of US CW Nets dedicated to High Speed Morse Code operations

High Speed Telegraphy - High Speed CW page at wikipedia

FT-817 DC Circuit Protection - A schematic for a DX circuit protection for the Yaesu FT-817, provides protection from the external power supply overvoltage by DL2LTO in german

MrSolar.com - Features the highest quality, brand-name solar panels in the market, including BP, GE, SolarWorld, Sharp.

Sound Company Virginia - Sound System Alexandria, Baltimore, Maryland, Washington DC Priority listing - Sound company virginia provides audio equipments, audio tape recorder with the capability to directly record live spoken words with highest audio quality.

Radio Active Style - T-Shirts - Radio Active Style, LLC designs and produces high quality and innovative t-shirts for hams, amateur radio operators, and shortwave listeners.

A 2 tube regenerative receiver - A low voltage 2 tube regenerative receiver

High Performance Software Defined Radio - The HPSDR is an open source hardware and software project intended as a next generation Software Defined Radio for use by Radio Amateurs