QRP

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QRP

474 links - and 7 categories

Antennas : 20M
  • C pole antenna - A sample implementation of the C-Pole antenna for the 14 Mhz without making use of the pole.
    [ Hits: 3796 | Votes: 9 | Rating: 7.44 ]
Antennas : 80M Antennas : Fan Dipole
  • QRP Fan Dipole - Attic Fan dipole antenna that allow to operate QRP from 40 metres to 10 metres, specifically 40, 20, 17, 15 & 10 meter band
    [ Hits: 7669 | Votes: 5 | Rating: 8.40 ]
Antennas : Feed Lines
  • L Match ATU for QRP - The L match is designed for the matching of random and long wires and should not be mounted in a metallic box/case, i used a small plastic food container which was the most expensive part of the project.
    [ Hits: 4731 | Votes: 7 | Rating: 7.00 ]
Antennas : Tuners
  • Emtech ZM-2 Antenna Tuner Kit - The Emtech ZM-2 Antenna Tuner is a nifty little portable transmatch for QRP (low power). It utilizes the well-known Z-match circuit, which is especially useful for balanced antennas (like dipoles and loops).
    [ Hits: 3214 | Votes: 5 | Rating: 4.60 ]
  • Antenna Tuning Unit - This homebrewed antenna tuning unit also incorporates a 50-ohm QRP dummy load, power meter (1 or 10 Watts full scale), and SWR meter
    [ Hits: 6850 | Votes: 4 | Rating: 6.50 ]
Ham Radio : Blogs : USA
  • The K0NR Weblog - Stuff about amateur (ham) radio, especially VHF/UHF, QRP, portable and mountaintop operating
    [ Hits: 210 | Votes: 0 | Rating: 0.00 ]
Internet and Radio : Online Receivers
  • Free Web Receivers from UK - Up to 3 free to tune receivers based in Bedfordshire England, Ten Tec RX320D, Yaesu FT-840 and Icom PCR-100
    [ Hits: 10050 | Votes: 36 | Rating: 6.48 ]
Manufacturers : QRP Kits
  • Micro908 Kit - A re-usable control & computing platform for antenna measurement, PSK31 digital modems, audio filtering, signal source & VFO, memory keyer by AMQRP
    [ Hits: 1418 | Votes: 1 | Rating: 10.00 ]
Manufacturers : Software Defined Radio
  • Universal VFO Controller - A controller that works with the new Silicon Laboratories Si570 programmable XO chip, as well as the Analog Device DDS chips used in the popular AMQRP cards by WA6UFQ
    [ Hits: 1685 | Votes: 9 | Rating: 6.12 ]
Operating Aids : Beginner's Guides Operating Modes
  • The Coherent CW Archives - Unofficial archive of the works from the early pioneers of Amateur Radio's digital communications era
    [ Hits: 473 | Votes: 0 | Rating: 0.00 ]
Operating Modes : QRP
  • Guide to Solar Activity - Paul Harden NA5N has produced a superb guide to solar activity and HF propagation for the QRPer
    [ Hits: 801 | Votes: 3 | Rating: 7.00 ]
  • QRP Kits recommended - The following are the opinions expressed by various amateurs.
    [ Hits: 696 | Votes: 0 | Rating: 0.00 ]
Operating Modes : QRP : Clubs
  • N3EPA QRP club - The Eastern PA QRP Club N3EPA
    [ Hits: 475 | Votes: 0 | Rating: 0.00 ]
Shortwave Radio : SWL Resources
  • Shortwave Converter - This is a simple circuit that when placed near an ordinary AM broadcast radio will allow you to receive international shortwave broadcasts in the 5-6 MHz band
    [ Hits: 2176 | Votes: 2 | Rating: 6.00 ]
Technical Reference : QRP Projects
  • Universal QRP Transmitter - Here's the homebrew Universal QRP transmitter adapted from work by Wes Hayward - W7ZOI. The circuit originally appeared in QRP Classics published in 1980 by the ARRL
    [ Hits: 2633 | Votes: 2 | Rating: 2.00 ]
Technical Reference : QRP Projects : QRP CW Transceiver
  • 40 meter QRP Transceiver - This semi-homebrew QRP (low power) CW transceiver is based on the ARK-40 transceiver kit, by S&S Engineering. With its built-in CW keyer and 5 watts of power, the basic ARK-40 transceiver is an outstanding 40 meter CW performer
    [ Hits: 8833 | Votes: 6 | Rating: 6.83 ]
Technical Reference : SWR Meters
  • A QRP SWR meter - A real QRPp VSWR Meter project by DJ1ZB
    [ Hits: 8163 | Votes: 1 | Rating: 1.00 ]
  • A simple SWR Meter  pop - This article describes a simple QRP SWR meter built using readily available parts.
    [ Hits: 16050 | Votes: 10 | Rating: 3.29 ]

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