low power am

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low power am

33 links

Antennas : Array
  • FVR Spitfire Array - The Powerpoint presentation below was given by Fred Hopengarten, K1VR, at the 1998 Dayton Hamvention Antenna Forum
    [ Hits: 3419 | Votes: 10 | Rating: 4.91 ]
Antennas : Feed Lines
  • Build An LF Antenna Analyzer - A Portable Low Frequency Antenna Analyzer, For those of us who like to play with antennas on the ham bands, one of the handiest tools to have around the shack is an "antenna analyzer". These gadgets combine a signal generator and standing-wave ratio (SWR) sensor in a small battery-powered unit.
    [ Hits: 4423 | Votes: 2 | Rating: 5 ]
Ham Radio : Blogs : USA
  • WA5ICA web log - The Internet Home of Amateur Radio Station WA5ICA Adventures with low power and a lower budget
    [ Hits: 213 | Votes: 1 | Rating: 7 ]
Ham Radio : Clubs : North America : USA : Texas
  • The Austin QRP Club - The A QRP Club is a small group of Amateur Radio enthusiasts who enjoy building, operating and (mostly) talking about Low Power radio communications, equipment and systems.
    [ Hits: 514 | Votes: 1 | Rating: 10 ]
Manufacturers : Amplifiers
  • TE Systems - Manuf RF power amplifiers wideband+narrowband for Commercial, Defense, OEM and amatuer markets. Also low-noise rf amplifiers
    [ Hits: 1431 | Votes: 1 | Rating: 5 ]
Manufacturers : Antennas : HF : Active antennas
  • Ameco - Text books relating to amateur radio (HAM radio), highpass and lowpass power filters, transmitter test loads (dummy loads), study tapes and disks to learn morse code, transceiver preamplifiers, antenna signal boosters.
    [ Hits: 2069 | Votes: 0 | Rating: 0 ]
Manufacturers : QRP Kits
  • KD1JV Designs - QRP Kits and Projects for the low power Amateur Radio enthusiast
    [ Hits: 2446 | Votes: 0 | Rating: 0 ]
Manufacturers : Transceivers
  • Low Power Radio and Broadcast Company - Manufacturers of high performance low power am transmitter products: sstran amt3000, bc-100, and the mw-250. for home and professional use.
    [ Hits: 2605 | Votes: 1 | Rating: 5 ]
Operating Modes : 50 Mhz Operating Modes : Morse code : Clubs
  • CW Operators' QRP Club Inc. - The CW Operators' QRP Club exists for those who enjoy low power amateur radio and homebrewing.
    [ Hits: 2609 | Votes: 1 | Rating: 7 ]
Operating Modes : QRP : Clubs
  • NOGA QRP club - Small, but growing, group of amateur radio enthusiasts, most of whom are within 90 miles of Atlanta, are interested in promoting the development of the branch of amateur radio known as QRP - building and operating low power transmitters, receivers and transceivers.
    [ Hits: 1458 | Votes: 4 | Rating: 7.75 ]
Shopping and Services : Test equipment
  • Solder-It Co. - manufacture and distribute specialty low temperature solder pastes, butane powered torches, tools and a few other amazing products
    [ Hits: 395 | Votes: 0 | Rating: 0 ]
Software : Android : DX Cluster
  • DXPocket - DXPocketâ„¢ is a fast, stable, low-traffic, and easy-to-use DX Cluster program for Android-powered smartphones and devices. DXPocket monitors the DX Spots and Announcements available on the Internet at DX Summit web site and presents the information in a sortable grid format. With a few taps you can find a required station in the Cluster, obtain DXCC information of selected DX, send DX Spot or Announcement.
    [ Hits: 1148 | Votes: 6 | Rating: 9.83 ]
Software : Utilities
  • HAMIC - The Ham Intelligent Calculator - HAMIC, is a program designed to simplify a number of calculations commonly used by HAMs. It is designed for the HAM radio hobbyist, but may be useful to others as well. HAMIC has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors in series or parallel, or more complex circuits such as L networks or T networks. As well, other calculations such as SWR and reactance conversions are supported. Windows shareware.
    [ Hits: 1647 | Votes: 2 | Rating: 5.5 ]
Technical Reference : Amplifiers : HF Amplifiers
  • A LF power amplifier - A Low Frequency (LF) RF Power Amplifier by VK5BR it operates in a linear mode and can handle CW, AM and SSB.
    [ Hits: 3116 | Votes: 1 | Rating: 1 ]
Technical Reference : Amplifiers : VHF Amplifiers Technical Reference : Homebrew
  • QRP AM(cw) Transmitter for 10 meters - In this project, you will make a simple low-power broadcast-type circuit, using a crystal oscillator integrated circuit and an a collector modulated AM oscillator.
    [ Hits: 1083 | Votes: 2 | Rating: 10 ]
Technical Reference : QRP Projects : QRP CW Transceiver
  • QRP AM CW transmitter - A simple low-power broadcast-type circuit, using a crystal oscillator integrated circuit and an a collector modulated AM oscillator
    [ Hits: 1018 | Votes: 2 | Rating: 8.5 ]
Technical Reference : TVI Filters Technical Reference : Vacuum tube
  • Vacuum tube liquid cooling system - This article describes an alternative to water as the cooling liquid for amateur radio vacuum tube power amplifiers. This cooling system is designed for adequate vacuum tube cooling, reasonable cost, and very low maintenance. By K8CU
    [ Hits: 555 | Votes: 0 | Rating: 0 ]

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