New RSGB EMF Calculator and PAC document
The RSGB have released a new version of their calculator, version 11a and a new Pre-Assessed Configuration document, PAEC-2, which is for horizontal beams for 50MHz...
Category: Articles
How (not) to win a Foxhunt
BBRC Foxhunt 5 July 2021 The omens were not especially good as we met up at Upton Car Park on the Monday evening armed with tape-measure...
Windows 11 – trouble ahead?
Microsoft announced Windows 11 on June 24th and say updates to Windows 10 PCs will start rolling out later this year in “holiday season”. This seems...
Windows 11 due soon?
Microsoft have been dropping hints for weeks that Windows 10 would be replaced by Windows 11, including a Windows 4-pane window graphic where the patch of...
Construction projects
The club holds construction evenings as part of its regular activities. Here are details of some of the previous projects built. For further details please contact a...
Kent TP1-B ‘iambic’ twin CW paddle kit – review
Updated May 2021 – see below A group of BBRC members including myself recently started to learn (or re-learn) Morse code. I’d been wanting to brush...
Ofcom EMF letter May 2021
Ofcom recently emailed licensees warning them that licence conditions had been changed to include a requirement to keep within ICNIRP EMF exposure limits and to keep...
The 1.5 kW transistor
Semiconductor manufacturer NXP announced a couple of LDMOS power MOSFET transistors, the ceramic-cased MRF1K50H and a plastic cased equivalent. Initial information was sketchy but more detail is...
The Hermes Lite 2 QRP SDR
The Hermes Lite 2 (HL2) is an open source Software Defined Radio project – yes, that means everything from the circuit design and PCB layout to...
My Lockdown Project – a trap vertical
by Mark, G3YFO A 6 band 10 metre to 30 metre HF trap Vertical for FT8 (and low power). First of all after getting interested in...
