hard

hard

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• Hex Beam for 6 meters - This is a hex beam designed for six meters. It has three elements with a turning radius of 54 inches. This antenna can be built from low cost materials available from the local hardware store. By WB3BEL
  [ Hits: 4668 | Votes: 6 | Rating: 7 ]

• A Horizontal loop for 80 meter dx - This 80-meter quad loop system requires only supports of modest height a better single-element antenna may be hard to find
  [ Hits: 6566 | Votes: 4 | Rating: 5.5 ]

• T2FD, The Forgotten Antenna - The terminated tilted, folded dipole T2FD is a little known antenna that performs excellently. Compact in size compared to a half-wave dipole the T2FD provides signal gain, wide frequency coverage, and exceptionally low noise characteristics.
  [ Hits: 4884 | Votes: 3 | Rating: 8.33 ]

• The K9AY Terminated Loop - A compact directional receiving antenna
  [ Hits: 2466 | Votes: 5 | Rating: 6.6 ]

• Hula Hoop Loop antenna - The concept of the "Hula Loop" came after many years of building medium wave loops of varying size, shape and performance. Usually these loops are constructed on a square wooden frame, with wire being wrapped around the periphery
  [ Hits: 2739 | Votes: 3 | Rating: 5.33 ]

• A Q&D Multiband Antenna - A brick, some PVC tubing and a few other common hardware store items can be transformed into an effective Quick and Dirty RF-launcher for less than $25! By Michael Atlas, N7FC
  [ Hits: 1838 | Votes: 0 | Rating: 0 ]

• Types of Coax in Satellite operations - Coax is a very important part of a satellite station. It is almost as important as the antennas you choose. This article discusses choosing coaxial cables for satellite communication, emphasizing factors like line loss. It compares types such as RG-8, RG-58, Belden 9913/9913F, LMR-400, and hardline, highlighting their impact on signal preservation.
  [ Hits: 2398 | Votes: 1 | Rating: 9 ]

• Rick Tavan - Radio Contesting - When I tell friends that I enjoy amateur radio contesting, their reaction is usually a quizzical stare. "What's that?" It is hard to explain in the span of a cocktail conversation, so here is the answer.
  [ Hits: 636 | Votes: 1 | Rating: 8 ]

• White Rock Amateur Radio Club - The Radio Club was formed at the request of long term resident and mayor, Hardy Staub, VE7IDY, to provide the city with an Amateur radio communication resource, should the need arise.
  [ Hits: 333 | Votes: 0 | Rating: 0 ]

• K5BSA Venturing Crew 73 - Richardson, Texas USA
  [ Hits: 333 | Votes: 0 | Rating: 0 ]

• Farallon Electronics - PACTOR mode radio modems and accessories, performance sailing electronics and innovative hard to find parts. Audio cables, packet cables, usb to serial converters
  [ Hits: 810 | Votes: 0 | Rating: 0 ]

• Guide to Solar Activity for QRPer - Paul Harden NA5N has produced a superb guide to solar activity and HF propagation for the QRPer
  [ Hits: 1096 | Votes: 3 | Rating: 7 ]

• The Repeater Builder's Technical Information - If you want to build a repeater, this is the right place to start. Includes construction projects and reviews of repeater hardware available in the market.
  [ Hits: 1887 | Votes: 1 | Rating: 8 ]

• Electronix Express - Online shop for all electronics needs. Cables, Buzzers all kind of electronic components capacitors, inductors, relays, resistors crystals transformers, hardware like knobs screws nuts and washers, opto electronics, diodes and transistors, soldering desoldering products, test equipmemt and tools
  [ Hits: 1066 | Votes: 2 | Rating: 8.5 ]

• Ham Radio Control Libraries - HamLib - Hamlib is a library aid for software developers wishing to incorporate control of amateur radio hardware into their programs. Hamlib will allow ham radio software authors to concentrate on the user interface and the basic function of the program rather than radio control.
  [ Hits: 1146 | Votes: 3 | Rating: 7 ]

• Cheap and simple HF dummy load - This is the report of a MFJ-259B analysis of two 100 ohm / 5 watts resistors in parallel partially in italian
  [ Hits: 2094 | Votes: 4 | Rating: 6 ]

• Simple anti-static device - With all the wire you have out, you may run into a problem with static buildup on the antennas. This static may try to make its way into your receiver, causing you major problems and damage that can run into a lot of money.
  [ Hits: 901 | Votes: 1 | Rating: 1 ]

• Homebrew Butterfly Capacitor - Butterfly capacitors are hard to find, expensive but they can be home made by PY1AHD
  [ Hits: 4019 | Votes: 12 | Rating: 5.58 ]

• External Keypad for FT-817 - An external keypad for FT-817(ND), for the serious portable/field-day contester/operator. Homebrew it with the free firmware and public circuit diagram. The circuit is very simple and takes power supply from the ACC port of the radio
  [ Hits: 2597 | Votes: 2 | Rating: 5.5 ]

• Dual phase Software Defined Radio - Dual phase coherent Software Defined Radio using two K2 Elecraft receivers and programming in Matlab/Simulink.
  [ Hits: 982 | Votes: 3 | Rating: 7.67 ]

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