ham design

ham design

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• Horn Antenna for 23cm - General circular-waveguide-horn antenna design
  [ Hits: 644 | Votes: 2 | Rating: 3.5 ]

• 144 Mhz crossed Yagi - An homebrew crossed Yagi antenna for two meters band based on DK72B design with pictures, detailed description and tricks by Barry Zarucki M0DGQ
  [ Hits: 2282 | Votes: 11 | Rating: 5.36 ]
• 144MHz Pocket Portable Yagi - Design for a 5 element 2 Metre beam with a forward gain of 8dBD and a front to back ratio of over 24dB.
  [ Hits: 1561 | Votes: 7 | Rating: 8 ]

• 1:2.5 Balun for multiband Deltaloop - A complete documentation with pictures and design of a deltaloop antenna and 1:2.5 balun
  [ Hits: 5150 | Votes: 20 | Rating: 6.95 ]

• 40/80 Trap Dipole Design - An home made trapped dipole antenna for 40 and 60 meters band by 2E0HTS
  [ Hits: 2575 | Votes: 4 | Rating: 7.75 ]

• Hentenna - The Hentenna is an Asymmetrical Double Rectangle (ADR) Loop Antenna originally designed by Japanese Hams operating on the 6 m Band in the 1970s.
  [ Hits: 325 | Votes: 2 | Rating: 10 ]

• Designing Driven Elements in Yagi antennas - The design and feeding of driven elements for VHF/UHF Yagi antennas , modeling, observations and some case studies by Graham Daubney F/G8MBI
  [ Hits: 1133 | Votes: 2 | Rating: 6 ]

• NVIS antenna design - Theory, Modeling, and Practical Applications By W5JCK, presentation in PDF File
  [ Hits: 3350 | Votes: 7 | Rating: 3.57 ]

• Stealthy HF multi-band Antenna - This is a design for a stealthy HF multi-band vertical wire antenna using a tree as a supportby G7AQK
  [ Hits: 1538 | Votes: 0 | Rating: 0 ]

• 20/40 Meter Short Coax Trap Dipole Antenna - Ham Radio 20 / 40 meter short Coax Trap dipole antenna designed with the coax trap design calculator program
  [ Hits: 2611 | Votes: 11 | Rating: 6.1 ]

• 59DX Blog - Blog related to ham radio t-shirt and accessory designs
  [ Hits: 379 | Votes: 0 | Rating: 0 ]

• Official W1UL Ham Cram Website - The Ham Cram method is designed to prepare you for the FCC tests in the shortest time possible giving you the highest level of confidence. It's totally free.
  [ Hits: 520 | Votes: 2 | Rating: 10 ]

• Inside The Icom AH-4 Antenna Coupler - The AH-4 is an antenna coupler/tuner designed for long wire or whip type antennas.
  [ Hits: 579 | Votes: 1 | Rating: 9 ]

• YagiMax 311 - A freeware dos antenna design program, dedicated to yagi antenna design by K4VX
  [ Hits: 4372 | Votes: 54 | Rating: 5.48 ]

• QScope.org - QScope.org is an advanced statistics online application with innovative features for HAM Radio operators logs. While designed with amateur radio contesters score improvements in mind, it can help any HAM to have a better visibility over its logbook. You can import ADIF or Cabrillo logs and have various statistics like QSOs per band, mode, operator; QSOs Rate; Operating Time...
  [ Hits: 976 | Votes: 3 | Rating: 4 ]

• 6m KW Amplifier - K6ODV Six Meter KW Amplifier Designs
  [ Hits: 918 | Votes: 0 | Rating: 0 ]

• Bandpass Filters for Portable Usage - These are QRP rated 3 Pole Butterworth filters based on a design by K4VX, feature simplicity, almost no insertion loss, and reasonable rejection on the other ham bands.
  [ Hits: 534 | Votes: 0 | Rating: 0 ]

• Home made Artificial Ground - This Artificial Ground has been designed by Colyn Baillie-Searle GD4EIRP
  [ Hits: 1395 | Votes: 3 | Rating: 6 ]

• NanoKeyer - An Arduino based CW contest keyer addon, ideated and designed for the use in conbination with the K3NG Arduino keyer open-source firmware.
  [ Hits: 957 | Votes: 1 | Rating: 8 ]

• 80m SSB CW QRP superhet transceiver - The 80m SSB & CW transceiver design is based on an already proven concept used in ATLAS amateur transistorised transceivers from 70\'s
  [ Hits: 1503 | Votes: 3 | Rating: 1.67 ]

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