The winter issue of Hot Iron, the journal of the Constructors Club dropped down in my letterbox today. Tim Walford G3PCJ of Walford Electronics releases 4 issues a year of this excellent newsletter.
You can join the construction club by sending £7 (£9 for overseas members) by PayPal to Tim with your name and address.
Sunspots - Tuesday September 18th 2018
21 hours ago