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Cecil Moore wrote:
"Bunched" and "flat" both mean the same to me - the cable is wound into a flat coil like a length of rope. The actual choice is between that shape and a cylindrical solenoid shape. I don't think that's true, Ian. There are three ways to wind a choke. 1. helical, 2. spiral, 3. random I'm pretty sure "bunched" means "random" and *not* flat. Maybe that is the origin of our disagreement over "bunched". If the bunched coil was really random scatter winding, would you like it as much? Sorry, maybe there's language barrier here. Imagine coiling a rope in your hand like a cowboy, then laying the coil on the ground. I meant a "flat" coil in that sense, as opposed to the other way of winding these chokes on a cylindrical former. There are details of HB meters on my website, or the MFJ-854 is a good commercial alternative (but definitely not the MFJ-805). I've got the MFJ-853. It snaps but doesn't unsnap. :-( The 854 that I reviewed for Radcom was the same. We both got one that had the core assembled upside-down, so instead of showing you how to snap the plastic catch open, the instruction manual shows you how to break it. -- 73 from Ian GM3SEK 'In Practice' columnist for RadCom (RSGB) http://www.ifwtech.co.uk/g3sek |
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