9 simple

9 simple

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• 2 Element Yagi  ^updated - A simple to build Yagi 2 element antenna for 15 or 20 meters band by 9m2mso
  [ Hits: 3573 | Votes: 8 | Rating: 6.88 ]

• VHF Coax Dipole - A simple coax dipole antenna for 144 MHz by 9A7PJT
  [ Hits: 1285 | Votes: 2 | Rating: 2 ]
• Portable Yagi for 144MHz - A simple 7 element yagi antenna for 2 meters portable use
  [ Hits: 848 | Votes: 3 | Rating: 7.33 ]

• A Simple 40 Meter Vertical for Field Day - A dipole antenna for 7 MHz support for this antenna is fiberglass military mast
  [ Hits: 994 | Votes: 1 | Rating: 5 ]

• Delta Loop Antenna for Smaller Vessels - A Simple Delta Loop Antenna for Smaller Vessels
  [ Hits: 604 | Votes: 1 | Rating: 4 ]
• 50 MHz Delta Loop - A simple delta loop antenna antenna for the six metre amateur radio band
  [ Hits: 1904 | Votes: 4 | Rating: 6.5 ]

• Rotary Dipole for 10m 15m 20m - A simple beam antenna offering good performances on 3 bands by 9m2mso
  [ Hits: 2308 | Votes: 5 | Rating: 4.8 ]

• Helix Antenna for 7 MHz - From his simple ham radio antennas series, KH6JRM describe an interesting short vertical helix antenna for th 40 meters band
  [ Hits: 1641 | Votes: 2 | Rating: 2.5 ]

• Portable Field Antenna Kit - A simple kit for temporary, lightweight, wire tactical antenna systems is essential for any field Ops. Described in this article a kit as it fits in a standard US Military M-1956 Butt Pack
  [ Hits: 542 | Votes: 1 | Rating: 10 ]

• Simple Balcony Antenna - Antenna for limited space, made from 24AWG wire helically wrapped around the top element of a 3-element cane pole, is basically a fully-loaded vertical and performance are limited and should represent the last resort for extreme cases.
  [ Hits: 923 | Votes: 1 | Rating: 7 ]

• PL259 Antenna - A simple VHF quarter wave antenna from PL25
  [ Hits: 542 | Votes: 2 | Rating: 9 ]

• Simple Gain Antennas for the Beginner - You do not need to invest an absurd amount of money to build a beam type of antenna. Good performance can be obtained with simple antennas made from some very ordinary materials. QST article
  [ Hits: 1061 | Votes: 4 | Rating: 6.5 ]

• Mark III Antenna Launcher - A simple and effective antenna launcher system by AA4LR
  [ Hits: 528 | Votes: 1 | Rating: 9 ]

• ARDUINO Simplex Repeater Controller - This project hereby presented is a complete HAM radio simplex 'smart' repeater, built around a Motorola GM-350/950, Arduino NANO board and a WINBOND audio recording integrated circuit
  [ Hits: 1073 | Votes: 6 | Rating: 3.67 ]

• The Coax Tester - This useful coax tester allows you to screw the PL-259 onto the tester to get a GO/NO GO status. When the LED lights up- you have a short circuit.
  [ Hits: 751 | Votes: 1 | Rating: 2 ]

• A Simple CW interface - A RS-232 to DB9 CW Radio interface with schematic diagram to connect your pc running CT by K1EA or Writelog to your keyer.
  [ Hits: 591 | Votes: 0 | Rating: 0 ]

• TS-590S Pan Adapter Cable - This article describes how to make a simple receiver Out adapter cable for the Kenwood TS-590S, so a second receiver can be connected and used as a pan-adapter
  [ Hits: 1432 | Votes: 1 | Rating: 1 ]

• Active Attenuator - This active attenuator works as a simple mixer. A signal from a 1 MHz oscillator is mixed with the received signal in a 1N914 diode.
  [ Hits: 292 | Votes: 1 | Rating: 6 ]

• Undestanding TV and Radio interference - Ham radio interference to home entertainment devices is a matter we cannot dismiss easily. Fortunately there are simple steps we can take to solve most problems caused by our amateur radio station equipment.
  [ Hits: 425 | Votes: 0 | Rating: 0 ]

• RF Probe project - A simple RF probe diagram
  [ Hits: 461 | Votes: 1 | Rating: 6 ]

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