There is now a fuller draft RSGB response online which may inspire you to reply to Ofcom, but please do not copy it - please use your own original views/words All at: rsgb.org.uk/emf 73 Murray

Gordon Some people have a steel tap guide block drilled with perpendicular clearance holes, pop in the tap over the hole to be tapped, clamp the block to the job and tap away. Swarf accumulation

Hell no!! (I think you must be thinking about Neil?) 73 from Ian GM3SEK

For hand-tapping M2.5 and smaller, I use a spring-loaded tap-follower aligned in a chuck above the hole, and a T-bar wrench (Starrett). On aluminium, if I can drill the hole deeper than the

What would help , would be an adaptor , that would srew onto the heatsink , into existing holes , or be clamped , into which a pin chuck would fit , snugly , to prevent sideways movement ..... And

I was told once , that Parafine(?) was a good cutting agent ........... I use a good T tapholder I do use Pin Chucks , but you have to be very gentle indeed , and have your elbow resing on something

For lubricant, I tend to use WD40, there may be better, but I find WD40 to be more than adequate. I've always tapped smaller stuff by hand, with the traditional T tap. The trouble with adding

I would try a piece of bar, say 8mm thick with clearance hole, use the tap to line it up then clamp it and you have solved the "keeping it straight" part, probably better than by eye. I have some

Ian, I would go with the pin chuck and, if you can, let the handle slide in the drill chuck and grip the pin chuck to turn the tap. I made a tap holder for the pillar drill. A small chuck on a

But ..but.. you are my hero, I thought you knew everything there was to know about all such matters!

One of the next jobs here will be to drill a precise pattern of holes in the heatsink of an existing SSPA, and tap them for M2.5 screws. The heatsink will just about balance

Millimetre Waves – By Chris Whitmarsh G0FDZ A UK Microwave Group Online Lecture streamed by the BATC Wednesday 11th November 2020 at 20:00 Chris Whitmarsh G0FDZ will be presenting his guide to the

I think it must have been Keatleys where I bought some brass for a 3cm wavemeter in 1976, while I was living in Birmingham. Nice to know they are still around. Their website is a bit last-century,

Callsign: G4JNT Locator: IO90IV58 Bands: 3400MHz, 10W 30cm square plate Talkback: ON4KST and phone 01489 787424 Times: whatever... Andy www.g4jnt.com

Hi Robin Many thanks for that information, Birmingham is a fascinating city. We once spent a week there with the Association for Industrial Archaeology, and also spent a week exploring

Hi John I'm planning to be QRV:- Callsign: G4ZTR Locator: JO01KW Bands: 1296MHz, 300w, 2m dish 2320MHz, 50w, 2m dish 3400MHz, 20w, 2m dish Talkback: ON4KST and direct CQ on 1296MHz Times:

Hi Michael, They are indeed still in business, although perhaps moved a few yards to the left of where you once saw them, and are now in the old chapel at the end of the row. You can still find an

Callsign: G3YJR Locator: IO93FJ Bands: 1296MHz 8W 44 el 2300/2320MHz 25W 40el Talkback: ON4KST Times: Various throughout

Hi Robin Interested to hear you mention John Keatley metals, and pleased to hear they are still in business. I used to visit them once or twice a year to buy ali sheet and have a

Callsign: G1YFG Locator: IO82UJ Bands: 1296 400W 39ele 2320 170W 55ele Talkback: ON4KST and you should hear me calling on 1296 Times: Various throughout-- Robin Szemeti - G1YFG