h base

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h base

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Antennas : 80M
  • 80-10 Meters Doublets antennas - All band doublet antenna based on NB6Zep's design and an 88 foot flatop version
    [ Hits: 7841 | Votes: 3 | Rating: 9.33 ]
Antennas : Helical
  • A Quadruple Helix for AO-40 - A homebrew project of a quadruple helix antenna system based on G3RUH 16 turn helix antenna for 2.4 GHz.
    [ Hits: 8280 | Votes: 10 | Rating: 6.1 ]
Antennas : Mobile
  • An automatically tuned 7-30MHz mobile antenna - This is a base-loaded vertical antenna that mounts on the car's roof. The loading coil is designed as a variable inductor, with a three-legged chariot that travels up and down inside the coil, with grooved brass wheels running on the coil turns, and driven by a slotted rotor tube.
    [ Hits: 4048 | Votes: 2 | Rating: 1 ]
Antennas : Multiband
  • HF multiband vertical Antenna - YF1AR multiband vertical antenna, based on orginal concept by VE7BS. Consist of 6 vertical elements and 6 base radials with a single 50 Ohm feed line.
    [ Hits: 1539 | Votes: 4 | Rating: 3.25 ]
Antennas : WiFi CB Radio : Clubs
  • Big Time Operators CB Club - Homepage Of The Big Time Operators CB Club Based In Muncie Indiana USA
    [ Hits: 771 | Votes: 48 | Rating: 7.74 ]
  • Papa Alfa Tango - DX Club based in portugal
    [ Hits: 502 | Votes: 6 | Rating: 10 ]
DX Resources : QSL manager
  • eHam QSL manager Finder - An online database of QSL managers at eHam maintained by K4WA
    [ Hits: 603 | Votes: 0 | Rating: 0 ]
Ham Radio : Clubs : North America : Canada : Alberta
  • Radio Amateur Educational Society - Provide instruction to obtain certification, a forum for technical exchange and advancement of amateur radio, a mentor program to actively encourage our students in passing the amateur exam. Based in canada
    [ Hits: 576 | Votes: 2 | Rating: 5.5 ]
Internet and Radio : Online Receivers
  • A Ham Radio Public utility HF Station - Merging Internet technology with Amateur Radio holds great promise. This article discusses the authors experiences in putting several Internet Remote Base stations on the air. By Stan Schretter, W4MQ, Brad Wyatt, K6WR, and Keith Lamonica, W7DXX
    [ Hits: 7341 | Votes: 18 | Rating: 3.65 ]
Manufacturers : Antenna Tuners
  • Heinz Bolli AG - Antenna tuners, components, filters and baluns manufacturer based in germany
    [ Hits: 2626 | Votes: 4 | Rating: 7.75 ]
Manufacturers : Test Equipment
  • Bitscope - An affordable high bandwidth mixed signal pc based digital oscilloscope logic analyzer.
    [ Hits: 1558 | Votes: 4 | Rating: 3.25 ]
Manufacturers : Transceivers
  • Jetstream - Antennas, base mobile scanner and vhf antenna, coax cables, coax switch, Lightning Arrestor, mounts, power supply, speakers and wattmeters
    [ Hits: 5661 | Votes: 5 | Rating: 4.8 ]
Software : DSP
  • SignalGen - SignalGen is a free (GPL) Linux (Xwindows GUI-based) utility that generates relatively low frequency signals with the use of a PC sound card. It is an entirely suitable replacement for a hardware signal generator if one doesn't require signals of a frequency higher than about 50 KHz. SignalGen creates any frequency between a fraction of one Hertz and an upper limit determined by your sound card's capabilities.
    [ Hits: 1832 | Votes: 2 | Rating: 10 ]
  • FreqTweak - FreqTweak is a tool for FFT-based realtime audio spectral manipulation and display for Linux. It provides several algorithms for processing audio data in the frequency domain and a highly interactive GUI to manipulate the associated filters for each. It also provides high-resolution spectral displays in the form of scrolling-raster spectrograms and energy vs frequency plots displaying both pre- and post-processed spectra.
    [ Hits: 1391 | Votes: 3 | Rating: 9 ]
Software : Linux
  • FFT Explorer - A free (GPL) Linux (Xwindows GUI-based) utility that performs spectral analysis on real-time data from a sound card or other source, and can analyze the spectra of various sound file types. It can also accept data from many kinds of applications in plain-text form by way of the "named pipe" feature of Linux
    [ Hits: 10986 | Votes: 8 | Rating: 4.88 ]
Technical Reference : Components : Component Database
  • DigChip IC database - Provider of electronic components documentation. Offer a reliable tool to find semiconductors components technical information like parts, datasheets, cross reference, obsolete and new circuits.
    [ Hits: 613 | Votes: 6 | Rating: 4.17 ]
Technical Reference : Keyers
  • Easy Morse Code Keyer Circuit - based on the famous Curtis family of morse keyer chips and has a proven record of dependability.
    [ Hits: 7553 | Votes: 4 | Rating: 7.25 ]
Technical Reference : Preamplifiers
  • 144Mhz preamplifier - A preamplifier project based on Rainer DJ9BV project, in french
    [ Hits: 3455 | Votes: 2 | Rating: 7.5 ]
Technical Reference : Transverters
  • A 6M Transverter - Build a transverter based on a 6M receive converter. A 32MHz TTL oscillator is used as the local oscillator for both transmitting and receiving. RX/TX switching is handled by three SPDT relays.
    [ Hits: 4832 | Votes: 2 | Rating: 10 ]

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