Tonight @ 8 – archive main list by year
3 July 2023 – Receiving Antennas are Different… by Eric P. Nichols, KL7AJ
Eric’s presentation Almost every ham radio station can benefit from a separate receiving antenna (or several!) While reciprocity applies to both receiving and transmitting antennas, the priorities are different. Effective receiving antennas are optimized for best signal to noise ratio, not necessarily the greatest gain. There are countless interesting means of building high signal to noise ratio receiving antennas and we will explore some of […]
5 June 2023 – Node-RED for radio amateurs by Mike Richards, G4WNC
Mike’s presentation Node-RED is a visual programming language that is very powerful but surprisingly easy to use. The language has matured over recent years and has the potential to be a valuable tool for radio amateurs. In this talk, Mike will provide an introduction to Node-RED programming techniques. He will conclude with a live demonstration […]
15 May 2023 – The T41-EP ALPS: A High Performance CW Decoder by Jack Purdum, W8TEE and Al Peter, AC8GY
The presentation Jack and Al collaborated to build the T41-EP, a 7 band, 20W, CW/SSB SDR transceiver and this presentation is chiefly about how they developed the high performance CW decoder. Jack and Al co-authored the Software Defined Radio Transceiver (2022) and Microcontroller Projects for Amateur Radio (2019) books and numerous articles and presentations. They are also […]
3 April 2023 – Sheep Worrier: A High Altitude Balloon Flight and Recovery System by Heather Nickalls, M0HMO
Heather’s presentation In this talk Heather covers an introduction to flying high-altitude balloons (HABs), the radio systems involved, some science experiments she did on their flights, the recovery system she developed to help find the payload when it lands and, of course, lots of pictures from “almost” the edge of space. About Heather Ever since […]
6 March 2023 – Microwave Contesting by Barry Lewis, G4SJH
Barry’s presentation Barry Lewis, G4SJH, RSGB Microwave Manager, will talk about taking part in microwave and millimetre wave band contests at 23cm and above. The frequency bands, organised contest activity sessions, special rules and equipment aspects will be covered. Although similar to contesting in the VHF and UHF bands, some aspects bring additional challenges and […]
6 February 2023 – QRP operating by Anthony Luscre, K8ZT
Anthony’s presentation Anthony will discuss what QRP Operating is, how he got started and why you might want to give it a try. He will discuss a wide variety of QRP operating styles, take a look at some equipment used, and activities QRPers are involved in. He will discuss the unique opportunity it provides for […]
