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project

1224 links - and 45 categories

Antennas : 40M
  • Bazooka antenna for 40 meters - A bazooka antenna project for the 7 Mhz, includes dimension for to homebrew your own bazooka for HF bands
    [ Hits: 8641 | Votes: 13 | Rating: 6.69 ]
Antennas : 40M : 40 meter Magnetic Loop Antennas
  • Magnetic loop for 80-40 meters - Evolution of a project of a small magnetic loop resonating from 80 to 40 meters
    [ Hits: 5098 | Votes: 7 | Rating: 7 ]
Antennas : 40M : 40 meter Vertical Antennas
  • The Hudson antenna - A vertical antenna for 80 and 40 meters project with lots of assembling pictures and plan by LU9DPD in spanish
    [ Hits: 2814 | Votes: 1 | Rating: 10 ]
Antennas : Dipole
  • Build a hanging dipole for 2 metres - Described here is a simple omni-directional, vertically-polarized dipole for two meters. Made from coaxial cable, it can be rolled up and stored in a small container
    [ Hits: 5334 | Votes: 3 | Rating: 8.33 ]
Antennas : Halo
  • N6TWW 2 meter Halo - 2 Meter Halo Antenna project by Mike Fedler with many detailed pictues and detailes homebrewing instructions so you can build your own
    [ Hits: 3508 | Votes: 12 | Rating: 6.42 ]
Antennas : Portable Antennas : Traps
  • Multi Band Antenna Traps - These devices are called Traps, but they are actually more like frequency sensitive switches. They are parallel resonant, high Q, tuned circuits which provide a very high impedance at their frequency of resonance.
    [ Hits: 4850 | Votes: 3 | Rating: 6 ]
Ham Radio : Elmers Ham Radio : Personal Pages : USA
  • K7SFN Frank - K7SFN personal page with some projects and pictures of his aerials
    [ Hits: 314 | Votes: 2 | Rating: 9.5 ]
Shopping and Services : Kits and Components
  • Far Circuits - FAR Circuits is exclusively a manufacturer of Printed Circuit Boards for electronic projects that are used by the Amateur Radio and electronic hobby enthusiast.
    [ Hits: 2252 | Votes: 0 | Rating: 0 ]
Technical Reference : Amplifiers : HF Amplifiers
  • 4 x 813's RF Amplifier Deck - This amp project was an exercise in cheap! The design criteria was to use only components in the JUNQUE BOX
    [ Hits: 12400 | Votes: 19 | Rating: 5.47 ]
  • 80 m Hexfet power amplifier - 80m hexfet power amplifier by W7ZOI
    [ Hits: 3702 | Votes: 3 | Rating: 7.67 ]
Technical Reference : Antenna Switch
  • Beverage antenna switch - How could we share the Beverage antennas on more than one station using this homemade remote antenna switch, a project by TK5EP
    [ Hits: 1655 | Votes: 1 | Rating: 10 ]
Technical Reference : Attenuators
  • Active attenuator - This active attenuator works as a simple mixer by WB2HOL
    [ Hits: 1137 | Votes: 0 | Rating: 0 ]
  • Simple adjustable passive attenuator - This adjustable passive attenuator works as a "waveguide beyond cutoff." It can be constructed in about ten minutes from parts available locally.
    [ Hits: 1380 | Votes: 3 | Rating: 8.33 ]
Technical Reference : Filters
  • The NVARC Ugly Filter Project - Project to build sets of band pass transmitting filters for reducing the interference between HF transceivers operated in close proximity
    [ Hits: 1034 | Votes: 4 | Rating: 9.5 ]
Technical Reference : Homebrew
  • Home Brew a Condenser Microphone - An inexpensive condenser microphone with excellent performance can be easily constructed with easily available parts.
    [ Hits: 1887 | Votes: 2 | Rating: 5.5 ]
Technical Reference : Power Supply
  • Variable regulated power supply - 1.2-30V 1.5A variable regulated power supply
    [ Hits: 2574 | Votes: 3 | Rating: 5 ]
  • 15 A from a PC Power Supply - 13.8 V 15A from a PC power supply
    [ Hits: 13062 | Votes: 11 | Rating: 6.37 ]
  • The Smart Switch - The purpose of this project is to build a smart switch A smart swith is a swith that needs a short press and the power will be turned ON.
    [ Hits: 969 | Votes: 0 | Rating: 0 ]

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