GB2RS
Contest News – 9 July 2023
Today, Sunday 9 July, the UK Microwave Group 24, 47 and 76GHz Contest runs from 0900 to 1700UTC. Using all modes on 24, 47 and 76GHz frequencies, the exchange is signal report, serial number and locator. The IARU HF Championship ends its 24-hour run at 1200UTC today, Sunday 9 July. Using CW and SSB on […]
Propagation News – 9 July 2023
NOAA’s prediction that the Solar Flux Index, or SFI, would decline last week didn’t come to fruition. In fact, the SFI stayed in the 160s and 170s until Thursday, when it declined to 155. The Sun produced more than 160 sunspots in June, the highest monthly number in more than two decades. This has led […]
Tonight @ 8 – Receiving Antennas are Different
The next RSGB Tonight @ 8 live webinar takes place at 20.00 on Monday, 3 July 2023, with Eric P. Nichols, KL7AJ presenting Receiving Antennas are Different. Eric—who has written numerous amateur radio and electronics articles over the past 30 years—says that almost every ham radio station can benefit from a separate receiving antenna. Effective […]
High-altitude balloon launch
The team from hi-impact, based on the Wirral, is planning another high-altitude balloon launch. This time, working alongside staff and pupils from West Kirby School and College, they will launch a high-altitude balloon at 11am on 11 July 2023 from their usual location in Cilcewydd, near Welshpool in Wales. They will be running a HABduino […]
Alexanderson Day
This Sunday, 2 July 2023, is Alexanderson Day, and the Alexander Association plans to activate the Grimeton VLF transmitter. The transmitter is located in Sweden and is the only remaining example of an early radio transmitter known as an Alexanderson Alternator. To find out more, visit the Alexander Association website.
Also in this weeks GB2RS…
Marcus, G0IJZ has recently carried out antenna modelling of the Grimeton VLF antenna using NEC-5 software. You can read more about this in a recent blog post by Marcus on the Plextek website. Amateurs are reminded that special callsign GB23C, used to celebrate the Coronation of King Charles III and Queen Camilla, stopped being available […]
