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93 links and 1 categories about low power on dxzone.com

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Antennas : Array
  • FVR Spitfire Array - The Powerpoint presentation below was given by Fred Hopengarten, K1VR, at the 1998 Dayton Hamvention Antenna Forum
    [ Hits: 3221 | Votes: 10 | Rating: 4.91 ]
Internet and Radio : Mailing Lists
  • QRP-L Mailing List - Low Power Amateur Radio Discussion
    [ Hits: 652 | Votes: 3 | Rating: 1.33 ]
  • Knightsqrss Info Page - This mailing list is devoted to low power, narrowband experimenting (QRSS CW, DFCW, etc). You are invited to share your ideas with the group, announce on-the-air schedules, etc by posting messages
    [ Hits: 328 | Votes: 1 | Rating: 9.00 ]
Internet and Radio : News Groups
  • alt.radio.pirate - Low power AM/FM/TV pirate broadcasting.
    [ Hits: 1027 | Votes: 4 | Rating: 3.50 ]
Manufacturers : Amplifiers
  • TE Systems - Manuf RF power amplifiers wideband+narrowband for Commercial, Defense, OEM and amatuer markets. Also low-noise rf amplifiers
    [ Hits: 1249 | Votes: 0 | Rating: 0.00 ]
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: 1799 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Antennas : HF : Yagi Antennas
  • WIMO - All kinds of antennas, RF connectors, radio transceivers and accessories like power supplies, morse keys, lowpass filters and so on.
    [ Hits: 15423 | Votes: 26 | Rating: 6.88 ]
Manufacturers : Microwave
  • Low Power Radio Modules - Low power radio modules - supplying rf modules, rf transceivers, radiometrix transmitters receivers, low power radio modules, scada, frequency hopping, 900 mhz, wireless data transmission, data telemetry, gps modules & receivers and more
    [ Hits: 573 | Votes: 0 | Rating: 0.00 ]
Operating Aids : Beginner's Guides
  • About digital modes - The digital modes provide a wonderful opportunity for those of us who would like to work on the HF bands but find CW too difficult and SSB phone prohibitive because of interference problems. The digital modes are easy to set up and get operating, require low power and a narrow band.
    [ Hits: 6789 | Votes: 6 | Rating: 8.00 ]
Operating Modes : Hellschreiber
  • Hellschreiber beacon project - This web site describes a low power beacon system to be used for propagation and performance tests on the lower bands. The beacon offers CW (on-off keyed) modes and FSK modes; the traditional Morse ID mode, and Feld-Hell, another highly noise immune CW mode.
    [ Hits: 1439 | Votes: 6 | Rating: 9.83 ]
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: 2383 | Votes: 0 | Rating: 0.00 ]
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: 1355 | Votes: 4 | Rating: 7.75 ]
  • KQ0RP Iowa QRP Club - Club formed to promote amateur radio low power operation, to hone operating skills, to improve building skills, and to introduce the hobby to prospective new amateur radio operators
    [ Hits: 1505 | Votes: 2 | Rating: 4.50 ]
Operating Modes : Radio Direction Finding
  • ON7YD ARDF pages - Includes some interesting projects for low power ARDF transmitters
    [ Hits: 699 | Votes: 1 | Rating: 10.00 ]
  • A low power 3.5MHz ARDF transmitter - This low power transmitter is developed for ARDF exercising purposes but of course can be used as super QRP transmitter either. With 1 or 2 meter wire as antenna and a ARDF receiver with ferrite-rod antenna the range is about 100m but with better antennas and a 'real' receiver the range is probably much larger.
    [ Hits: 1637 | Votes: 3 | Rating: 5.33 ]
Operating Modes : Stealth Amateur Radio
  • HF Antennas for restricted space - Arrl document about invisible antennas and indoor systems. It is important to consider that few compromise antennas are capable of delivering the performance one can expect from the full-size variety. But the patient and skillful operator can often do as well as some fellows who are equipped with high power and full-size antennas. The "cliff-dweller" may not be able to "bore a hole" in the band as often, and as easily, but DX can be worked successfully when band conditions are suitable.
    [ Hits: 6970 | Votes: 6 | Rating: 4.83 ]
Operating Modes : VHF UHF
  • 49MHz Hobbyists Site - A website and email reflector for hobbyists in the unlicensed 49MHz low-power band.
    [ Hits: 1641 | Votes: 4 | Rating: 7.50 ]
Radio Equipment : HF Transceivers : Yaesu FT-857
  • FT-857D Meter box - Meter and Low Power Tune for FT-857D
    [ Hits: 7446 | Votes: 7 | Rating: 7.00 ]
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: 337 | Votes: 0 | Rating: 0.00 ]
Shortwave Radio : BCL Resources
  • Low Power Broadcasting - Low power broadcasting frequently asked questions by Rick Harrison
    [ Hits: 538 | Votes: 0 | Rating: 0.00 ]
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: 1493 | Votes: 2 | Rating: 5.50 ]
Technical Reference : HF Radios
  • Radio QRP - The Art of Low Power - QRP is The Art of Low Power Radio where the challenge is to operate and/or build AM radio transmitters usinga bare minimum of components, money and construction skill.
    [ Hits: 2412 | Votes: 11 | Rating: 8.18 ]
Technical Reference : QRP Projects
  • W4ATC QRP Project - Beginners making inexpensive, low-power shortwave transceivers from kits.
    [ Hits: 2571 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Radio Frequency Interference : BPL
  • Broadband news: EU sets bpl guidelines - The EU has followed the U.S. lead in clarifying rules surrounding BPL (broadband via power-line) technology
    [ Hits: 236 | Votes: 0 | Rating: 0.00 ]
Technical Reference : SWR Meters
  • SWR bridge - This SWR bridge works by sampling the amount of power flowing in each direction along the aerial feeder.
    [ Hits: 2075 | Votes: 2 | Rating: 1.00 ]
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