rep design

28 links

6 Meter Homemade J-Pole Antenna - A homemade j-pole antenna for six meters band, designed to work on local repeaters, and working on the 52-53 MHz. Includes a list of needed materials and detailed description on assembling the copper tubes used to build this antenna.
[ Hits: 254 | Votes: 3 | Rating: 4.67 ]

Delta Loop vs End Fed Half Wave on 20m - Intrigued by a German OM positive experience with a 20m delta loop, the author replicated the design, noting its favorable 50-ohm impedance compared to their 40m version. Testing against a vertical EFHW, the delta loop excelled within EU but lagged at longer distances. Despite needing more testing, the user leaned towards the EFHW for its overall performance and practicality.
[ Hits: 123 | Votes: 0 | Rating: 0 ]

Vertical Dipole Array for 20-17-15 Meters ^new - This article explores the evolution of antenna choices for DXpeditions, focusing on the shift from mono-band VDAs to a multi-band solution. It details the design and construction of a lightweight, versatile 20-17-15m VDA, utilizing readily available materials like fishing rods and IKEA breadboards. The author discusses challenges, adjustments, and offers guidance for replication.
[ Hits: 69 | Votes: 0 | Rating: 0 ]

Practical Balcony Version of an Old Military Car Antenna - The antenna almost repeat the design of the Car Antenna however instead of aluminum tubes it was used copper wire in plastic insulation in diameter of 2- mm (12 AWG).
[ Hits: 390 | Votes: 2 | Rating: 7.5 ]

The Classic Beverage Antenna Revisited - This is a QST Article published in January 1982 by W1FB D. Demaw and HH Beverage and is a complete review of the original article published in 1922, which updates and reivew the beverage antenna theory and developlment, explaining the antenna design of transformers and gives accurate reports on antenna general performance.
[ Hits: 567 | Votes: 1 | Rating: 6 ]

Boondock Echo 2 way ham radio recorder - Boondock Echo offers a revolutionary communication experience with an internet-backed recording and playback device for two-way radios. It ensures clear, reliable communication in remote or challenging conditions. Key features include real-time recording, internet connectivity, seamless integration, playback flexibility, rugged design, and a user-friendly interface. Services include product training, hardware maintenance and repair, customization, and regular firmware updates for optimal performance.
[ Hits: 56 | Votes: 1 | Rating: 10 ]

WSJT-X Controller - Streamlining FT8 Operations with Automation. The WSJT-X Controller simplifies FT8 operations by automating repetitive tasks in conjunction with WSJT-X. Designed to enhance efficiency, it facilitates tasks like responding to CQs, managing late 73 decodes, and seamlessly integrating with JTAlert and other add-ons. The program allows users to focus on productive QSO tasks while optimizing FT8 performance.
[ Hits: 139 | Votes: 1 | Rating: 9 ]

Digital SWR and Power Meter - This module is an analogue and digital SWR and power meter/monitor, designed to replace analogue SWR and power metering in an AM Transmitter project.
[ Hits: 270 | Votes: 0 | Rating: 0 ]