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353 links - and 7 categories

Antennas : 6M Antennas : 6M : 6 meter J-Pole Antenna
  • 50MHz J-Pole Antenna  pop - Need a general purpose antenna on the magic band? The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarised antenna without the need for a ground plane. In technical terms, it is an end fed vertical 1/2 wave which is fed via a 1/4 wave matching stub.
    [ Hits: 33818 | Votes: 18 | Rating: 7.05 ]
Antennas : Array
  • Building an own Stackmatch - Nowdays lots of people are putting up antennas to either beam in different directions at the same time or just to stack them and get a lower angle of radiation. Use this stackmatch to match you array.
    [ Hits: 1619 | Votes: 1 | Rating: 8 ]
Antennas : J-Pole
  • J-Pole theory  pop - The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. It does not need a ground plane, radials or a complicated matching system. The J-Pole can be cheaply, simply and quickly constructed using a variety of techniques, some of which are discussed in this article.
    [ Hits: 30316 | Votes: 26 | Rating: 6.87 ]
Antennas : Maria Maluca
  • Maria Maluca Antenna by PY2BBP - The Maria Maluca HF multiband antenna as designed in 1957 by PY2BBP is a directive antenna for 15 meter and a passive element that works as director and reflector in different bands
    [ Hits: 341 | Votes: 1 | Rating: 10 ]
Antennas : Windom
  • OH7SV Matti Hohtola Ham Projects - The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO, 50 ohm to 200 ohm HF wide band transformers, Wilkinson splitter for RX measurements, Windom baluns 2001/2004, Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver
    [ Hits: 20372 | Votes: 36 | Rating: 8.11 ]
Ham Radio : Clubs : North America : Canada : Ontario
  • VE3BDB Bob - Bob Cooke, VE3BDB, is the Director for Ontario South Region, Radio Amateurs of Canada. He provides a website for RAC members within his Region.
    [ Hits: 1016 | Votes: 3 | Rating: 8.33 ]
Manufacturers : Antenna Tuners
  • DWM Communications - Manufacturer and direct seller of shortwave and ham radio antennas and accessories like TINYTENNA & YO-YO-TENNA
    [ Hits: 3588 | Votes: 6 | Rating: 9.67 ]
Manufacturers : Antennas : VHF UHF Microwave : Yagi Antennas
  • Directive Systems Antennas - manufacturer of VHF and microwave antennas and related products, from 50 MHz through 10 GHz
    [ Hits: 4238 | Votes: 7 | Rating: 7.43 ]
Operating Modes : NPR New Packet Radio
  • NPR New Packet Radio - IP over 430 MHz - NPR (New Packet Radio) is a custom amateur radio digital protocol, designed by F4HDK to transport bidirectional IP trafic over radio links on the 70cm band. This IP protocol is optimized for point-to-multipoint topology, with the help of managed-TDMA. Bitrate is up to 500kbps. Home Made modem has a built-in ethernet port to connect to PC. To boost power a DMR amplifier is required to reach 20W. This project is an extension of HSMM - Hamnet - AREDN networks
    [ Hits: 151 | Votes: 0 | Rating: 0 ]
Operating Modes : Navtex
  • NAVTEX - The NAVTEX system is used for the automatic broadcast of localised Maritime Safety Information (MSI) using Radio Telex (also known as Narrow Band Direct Printing, or NBDP).
    [ Hits: 2247 | Votes: 5 | Rating: 5.8 ]
Operating Modes : Radio Direction Finding Operating Modes : Repeaters
  • Australian Repeaters - Wireless Institute of Australia repeater directory and database, with updates on repeater activities.
    [ Hits: 1913 | Votes: 0 | Rating: 0 ]
Software : Antenna analysis
  • AEA - Wireless software - AEA Wireless Director Software Series turns PC's (running Windows 95/98/2000/ME or NT) into powerful tools that expand the use and power of SWR, Return Loss and Complex Impedance Analyzers.
    [ Hits: 2725 | Votes: 6 | Rating: 5 ]
Software : Audio Recorders
  • QuickRecord - QuickRecord is a trialware compact application for recording and playing sound on a Microsoft Windows PC. It works on Windows 95, 98, Me, NT4, 2000, and XP. Recording and playing back directly to and from disk files, QuickRecord maintains the simplicity of the standard Windows Sound Recorder applet but without the restrictions.
    [ Hits: 3657 | Votes: 0 | Rating: 0 ]
Software : Contesting
  • Zlog for windows - zLog for Windows is a freeware full-featured contest logging software that runs on Windows. It supports major international and domestic (JA) contests and is customizable to many other contests not directly supported by zLog. Features include CW keying via parallel/serial/USB interfaces, highly sophisticated TCP/IP network that allows instant synchronization of a log of an M/M station, rig control, PacketCluster connenction. By JJ1MED/AD6AJ
    [ Hits: 1016 | Votes: 0 | Rating: 0 ]
Software : Morse Code Training
  • WinMorse - Convert text into morse code. It does this by reading text from one of three sources: the Windows clipboard, a file, or you may directly type the text. WinMorse outputs the morse code as a standard windows wav file
    [ Hits: 9170 | Votes: 17 | Rating: 7.06 ]
Technical Reference : Homebrew
  • K8TM Articles - This publications page lists articles on surface mount devices, amateur radio, soldering, shunts, and measuring large direct currents.
    [ Hits: 1310 | Votes: 1 | Rating: 1 ]
Technical Reference : Preamplifiers
  • U301 FET preamplifier - This FET preamplifier has been around for almost 25 years. It is extremely reliable and can handle several watts directly into either the input or the output without failure.
    [ Hits: 8420 | Votes: 3 | Rating: 6.33 ]
Technical Reference : QRP Projects
  • QRP equipment - Simple QRP rigs, Transceivers with single side band direct conversion receivers, Receivers, Frequency counters for QRP
    [ Hits: 12814 | Votes: 10 | Rating: 8.79 ]

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