GB2RS News Sunday, the 27th of October 2026 The news headlines: Entry to the RSGB 2027 Construction Competition is now open! RadCom from the 1990s is now available in the RSGB app One week left to buy your RSGB Convention ticket The Society is pleased to have launched the RSGB 2027 Construction Competition. This is a fantastic opportunity for RSGB members, wherever they are in the world, to get involved in designing and building. Whether you’re looking for an outlet for your creativity, wanting a fresh challenge to work on in your spare time or simply looking for the motivation to finish a homebrew project you have already started, the RSGB Construction Competition is the perfect excuse. Are you looking to inspire others to get involved in amateur radio? If so, our two more recent categories, Reimagination and Outreach, are the ideal way. Overall, there are seven different judging categories, so there really is something for everyone. Whether you’re a newcomer to amateur radio, a serial constructor, or want to push yourself in a new direction, be it software or hardware – it’s time to get those construction ideas flowing! Cash prizes will be awarded to winners and runners up, and entry is open until the 1st of March 2027. Full details of the competition and inspiration from previous years’ entrants can be found via rsgb.org/construction-competition The Society has just released an additional set of RadCom back issues to the RSGB app, available for the web and on mobile devices. RSGB members can now browse all the editions from January 1990 through to December 1999. This creates an even more valuable resource of amateur radio publications for members, who now can enjoy over 425 editions of RadCom. If you haven’t explored the RSGB app recently, visit rsgb.org/radcom to get started. Attending the RSGB 2026 Convention gives you access to knowledge, learning and networking opportunities that aren’t available at any other event in the UK this year. The extensive programme includes expert speakers such as Heather Nickalls, M0HMO; Brian Coleman, G4NNS; Steven Dodd, M0SNZ; and Peter Duffet-Smith, GM3XJE, to name just a few. You can view the full programme, including lectures that are being delivered as part of the AMSAT-UK Colloquium, by going to rsgb.org/convention If you are a younger radio amateur, you’ll find a series of youth-specific events including a series of lightning talks, a youth POTA activation and a youth dinner on the Saturday evening. For radio amateurs looking to start the weekend festivities early, you have a number of activities to take part in on Friday the 9th of October, from visiting the National Museum of Computing to joining an amateur radio pub-style quiz in the conference centre bar in the evening. You’ll find details of all these activities, plus more, on the RSGB Convention web pages. Online ticketing closes at 9am on Monday the 5th of October so make sure you buy your ticket to guarantee your place. The RSGB Convention takes place between the 9th and 11th of October at Kents Hill Conference Centre in Milton Keynes. The next RSGB Tonight@8 webinar is by the Society’s Maker Champion Tom Wardill, M9TWM on Monday the 5th of October. Tom believes that amateur radio has never been in such a good place in terms of the availability of tools, supplies, and connections. He will give you a quick guide on what is available to the average home user, from SMT components and PCB fabs to 3D-printed cases, or to test equipment that was only available to IBM and HP just a few years ago. He’ll discuss where to look, how to source, and how to get help with the tools you need to make the projects that you’ve written off as too complicated. You can join the livestream via the RSGB YouTube channel and special BATC channel, allowing you to watch and ask questions online. Find out more by going to rsgb.org/webinars Have you tried one of the RSGB’s National Coding Week activities? If you took part and would like to be included in a special feature in RadCom, send your photos and a short summary of your activity to ncw.coordinator@rsgb.org.uk by the 30th of September. All coding activities will remain on the RSGB website via rsgb.org/coding so whether you want to do something new just for fun or find a way to use programming within your current amateur radio interests, you’ll find something to try! Don't forget to listen out for all of the stations that are operating during the annual Railways on the Air event today, the 27th. Bishop Auckland Amateur Radio Club coordinates this event and you can read more at rota.barac.org.uk Please send details of all your news and events to radcom@rsgb.org.uk The deadline for submissions is 10am on Thursdays before the Sunday broadcast each week. And now for details of rallies and events The Broadcast Engineering Museum has an open day on Sunday the 4th of October from 11am. The museum is located at 41 Capper Avenue, Hemswell Cliff, near Gainsborough, Lincolnshire DN21 5XS. The museum is home to one of the largest collections of historic broadcasting equipment in the world. For more information visit becg.org.uk/events Also on Sunday the 4th of October, the Welsh Radio Rally will take place at Llanwern High School, Hartridge Farm Road, Newport, NP18 2YE, South Wales. The doors open to traders at 7am and to the public at 9.30am. Admission costs £3. The rally will include technical talks, a bring-and-buy area and a raffle. For more information email welshradiorally@icloud.com Now the Special Event news Huntingdonshire Amateur Radio Society is running special event station GB2RMR today, the 27th at the Riverside Miniature Railway, Riverside Park in St Neots, Cambridgeshire. Operators will be active from 9.30am until 4pm on the HF, VHF and UHF bands. More information is available via QRZ.com To celebrate the 100th anniversary of the Belgian National Railway Company, special callsign OT26B is active until the 31st of December. The line between Brussels and Mechelen opened in 1835 and was the first steam-powered public railway in continental Europe. QSL via OR4K. Now the DX news Members of Guisborough and District Amateur Radio Club are active from the Isle of Lewis today, the 27th. Listen out for the MS0NYM callsign on the 40 to 10m bands using CW, FT4, FT8 and SSB. More information is available via QRZ.com Toni, W5RCX and Tom, K0YA are active as V47RCX and V47YA, respectively, from St. Kitts, NA-104, until Wednesday the 30th of September. They are operating using CW, FT8 and SSB on the HF and 6m bands. QSL via Logbook of the World and to their home calls. Now the contest news The CQ World Wide DX RTTY Contest started at 0000UTC yesterday, the 26th, and ends at 2359UTC today, Sunday the 27th of September. Using RTTY on the 80 to 10m bands, where contests are permitted, the exchange is signal report and CQ zone. The UK is in zone 14. Also today, the 27th, the UK Microwave Group High Band Contest runs from 0800 to 1700UTC. Using all modes on 5.7 and 10GHz frequencies, the exchange is signal report, serial number and locator. On Monday the 28th of September, the RSGB FT4 Series Contest runs from 1900 to 2100UTC. Using FT4 on the 80 to 10m bands, where contests are permitted, the exchange is your report. On Wednesday the 30th of September, the United Kingdom and Ireland Contest Club 80m Contest runs from 2000 to 2100UTC. Using CW on the 80m band, the exchange is your six-character locator. The Oceania DX SSB Contest starts at 0600UTC on Saturday the 3rd and ends at 0600UTC on Sunday the 4th of October. Using SSB on the 160 to 10m bands, where contests are permitted, the exchange is signal report and serial number. On Saturday the 3rd of October, the RSGB 1.2GHz Trophy runs from 1400 to 2200UTC. Using all modes on the 23cm band, the exchange is signal report, serial number and locator. Also, on Saturday the 3rd of October, the RSGB 2.3GHz Trophy runs from 1400 to 2200UTC. Using all modes on the 13cm band, the exchange is signal report, serial number and locator. The RSGB and IARU October 432MHz to 245GHz Contests start at 1400UTC on Saturday the 3rd and end at 1400UTC on Sunday the 4th of October. Using all modes on 432MHz to 245GHz frequencies, the exchange is signal report, serial number and locator. On Sunday the 4th of October, the UK Microwave Group Millimetre Band Contest runs from 0800 to 1700UTC. Using all modes on 24 to 76GHz frequencies, the exchange is signal report, serial number and locator. Now the radio propagation report, compiled by G0KYA, G3YLA and G4BAO on Wednesday the 23rd of September 2026. As we head towards the end of September, we are seeing daytime maximum usable frequencies, or MUFs, starting to climb. The daytime MUF over 3,000km is reaching 12m and is just touching 10m at times. Within a few weeks we can expect it to reach 10m on a regular basis, perhaps bringing transatlantic QSOs to 28MHz once again. Meanwhile, we can make the most of the openings on the 17, 15 and 12m bands, which are showing promise with increasing propagation to Asia, North Africa, South Africa and South America. The solar flux index is hanging in there. Last week it fell to 96 but then rebounded back into the low 100s. There are currently eight sunspot groups visible on the Sun. The good news is that geomagnetic conditions have been calm, with the Kp index mostly in the ones and twos. That could soon change, however, thanks to a large coronal hole on the Sun’s surface. These are dark, cool and less dense regions in the Sun's outer atmosphere, when viewed in ultraviolet, with open magnetic field lines. This one stretches from the solar equator to its pole. There are also two coronal holes following it, which may cause more problems. With the equinox, we often see more auroral activity, due to the Earth-Sun alignment and the Russell-McPherron effect. Once auroral conditions clear, the Kp index shoul