[Lowfer] Loop Ideas ?

[Bill Ashlock]

Hi Peter,
 
Not sure why you want to build a receiving loop out of hard line. Would think that a reasonably sized loop like 6 to 8 ft in diameter out of 20 turns or so of #14 copper wire would be a better bet for a number of resons. 
 
Bill> Date: Fri, 26 Sep 2008 17:23:27 -0500> From: pbarick at wpo.cso.niu.edu> To: lowfer at mailman.qth.net> Subject: [Lowfer] Loop Ideas ?> > Gents,> Re: Help on Loop Design> > I have a quanity of 1/2 in. hard line and am thinking of making a LF loop with it -- naturally. Need to get going on the outdoor work before the chill sets in. So the loop will need a frame and mounting post. Now is the time, 80 degs. today.> > I presently have a 12 foot multi-turn loop setup for 600 meters. That stays as is.> I'd like to setup another for 1750M with this hardline. Here's some questions:> > 1) Is a 10ft D. a good size or is more better?> 2) What about 2 turns in a 10 foot dia.?> 3) Is tuning needed or just coupled into the feedline with a 2:1 (?) turns core?> 4) if tuning is desired, does one measure the L of the loop and compute the C to series tune it to freq?> > Any pertinent ideas welcome ;-)> > Peter> > _______________________________________________> >From the Lowfer mailing list> Send messages to: Lowfer at mailman.qth.net> To sub/unsub visit: http://mailman.qth.net/mailman/listinfo/lowfer