df base

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df base

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Antennas : Loop
  • Moebius style 80/40 m band antenna - A loop antenna for 80 and 40 meters band, the main loop is based by a crossed line using aluminium strip lines. The main loop diameter is 150 cm.
    [ Hits: 315 | Votes: 1 | Rating: 1 ]
Antennas : Multiband
  • 5 Band Telescopic Vertical Antenna - 5 Band 1/4 wave Telescopic Antenna. The 20m to 10m, antenna is simple and cheap to make, and has a performance that matches commercial antennas but at cost considerably lower. The design was purposely based on a telescoping fibre glass fishing rod as this allows it to be easily stowed away in the car.
    [ Hits: 3601 | Votes: 3 | Rating: 9.33 ]
Antennas : Towers
  • KD5RVX MicroVert Antenna - A Microvert antenna by KD5RVX based on the original microvert concept by DL7PE. PDF includes a 20 foot portable PVC tower project
    [ Hits: 441 | Votes: 0 | Rating: 0 ]
Antennas : VHF UHF
  • VHF UHF Coaxial Dipole Antenna - A base station antenna you can easily build for 146,220 or 440 MHz, with performance similar to a J-pole but smaller and less obstrusive
    [ Hits: 2922 | Votes: 15 | Rating: 5.55 ]
Operating Modes : HSMM
  • The European HAMNET - A presentatio about the European HamNet, a large scale high speed amateur radio multimedia network based on commercial wireless devices using mainly the 6cm band
    [ Hits: 601 | Votes: 1 | Rating: 3 ]
Software : Macintosh
  • Morse Machine for MacOSX - This free program teaches you to receive Morse code. It starts with a few letters and adds more when it sees that you are ready. Based on A Fully Automatic Morse Code Teaching Machine, it is a small application and it runs even on recent MacOSX versions.
    [ Hits: 248 | Votes: 0 | Rating: 0 ]
Technical Reference : Dummy Loads
  • 140W Dummy Load - An homemade 50 Ohm 140 W dummy load based on an idea and project by ON5DB Renaud.
    [ Hits: 282 | Votes: 2 | Rating: 8.5 ]
Technical Reference : Keyers
  • CW KEYER - A home made CW keywer based on the W5UHX board.
    [ Hits: 145 | Votes: 1 | Rating: 10 ]
Technical Reference : Software Defined Radio
  • The UHSDR Project - UHSDR stands for UniversalHamSoftwareDefinedRadio. The project provides the firmware to run standalone HAM transceivers. It currently supports STM32F4 and STM32F7 MCU based QSD designs.
    [ Hits: 176 | Votes: 2 | Rating: 8.5 ]
Technical Reference : Test Equipment : Signal Generator
  • ADF4351 Signal Generator - Just a simple signal generator based on ADF4351 module from fleebay allows you to generate one single frequency that can go up or down in 100Khz steps via two push buttons.
    [ Hits: 148 | Votes: 2 | Rating: 10 ]

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