This antenna is a culmination of some three years of work involving a series of loop antenna designs that have proven both compact and DX-capable. My work with (electrically ‘large’) loops began at 20m and progressed downward to 30m, 40m, and 60m, all without need for loading-coils or resonators of any type. These antennas were …
Overview of the AllStarLink internet connected repeater systems. Brief history, current software implementation method, repeater interfacing methods. Online demonstrations will be utilized.
In the early days of the Marconi transatlantic contacts, kites were used to hoist antennas. Today, they still provide a fun and exciting way to lift an antenna and provide contacts. This session will cover topics such as choosing a kite, knots to use, safety considerations, how to attach the antenna, and how to fly …
Discussion of the dB, origin, various flavors (dB, dBi,dBd, dBm)
In this presentation, the speaker will introduce Meshtastic, a low-power, long-range mesh communication system that works without cell service or internet. Aimed at beginners, the session will explain the basics of how Meshtastic uses LoRa radios to send text messages between devices over long distances. The speaker will walk through the essential hardware, how to …
Introducing micro computers to ham radio through a CW keyer. This keyer is based on the SAMD21 and programmed with Circuit Python. Dots and dashes are generated with touch sensitive paddles.
What is WSPR – High-level overview Why you should use WSPR – Use cases How to Use WSPR – WSJT-X and WSRP.ROCKs overview
Using simple antenna modeling, the design and modification of the Antennas-Amplifiers PA144-432-13-1 dual band antenna to add 6m capability. For some time now many of the popular HF commercial radios have include three of the most popular VHF bands; 50MHz (6m), 144MHz (2m), and 432MHz (70cm). With their small size and 13.8 VDC operating capability …
This presentation takes a look at what the different digital voice modes are, the background/technical aspects of them, and how they are linked together. This presentation also looks at common pitfalls and problems that can be experienced in a mutli-mode digital voice Network and good operating practices.
