BCB work would be good for the Wellbrook and I suspect that is their target market.
Sent from my iPad On Apr 11, 2012, at 9:14, joe <[email protected]> wrote: > I made some signal to noise measurements last night between my short BOG > and LOOP. Local (100-300 miles away) cw signals. The Loop, which is > still living in my basement, is within 3DB of the BOG. I will move it > outside soon and see what happens to SNR. I still need to try it out on > some weaker DX stations. > > The LOOP has also proved to be promising on hearing multiple AM > broadcast stations on the same frequency due to its good nulling > capability. I could never do this with the BOG or L. > > > On Tue, 2012-04-10 at 11:04 -0400, joe wrote: >> I built it in one evening using two pieces of scrap 1x3 lumber for >> spreaders. I pounded in four large wire staples to hold the wire to the >> spreaders and threaded both loops through them. The five wire and one >> wire pickup loop are not separated. I used a variable cap of roughly >> 150-200PF to resonate the 5 wire loop. I fed the pickup loop directly >> with RG-58 coax. No matching transformer. The loop is roughly 32 inches >> square. I tune the cap for maximum noise for the desired frequency. >> The loop is tunable from about 1600 - 1850 KHZ. >> >> I modeled my loop after the following designs for unshielded loops. >> >> http://www.i1wqrlinkradio.com/antype/ch9/chiave1183.htm >> >> http://members.verizon.net/~vze24qhw/loop.html >> >> >> On Tue, 2012-04-10 at 08:49 -0400, joe wrote: >>> I am experimenting with a small one meter square loop. It is 5 turns of >>> #14 wire with a one turn pickup loop. Feeding the pickup loop directly >>> with 50 ohm coax. Using air variable cap to resonate the 5 turn loop. >>> I have it setup in my basement on a tripod with small TV rotator and it >>> works amazingly well. I can null stations about 3-4 S units with it and >>> it is about 4 S units (24 DB) quieter than my inverted L. I also have a >>> short 140 foot BOG and the loop performs nearly the same with the added >>> ability null out noise sources. I plan to move it outside and take some >>> more measurements. I'm pretty impressed so far. -Joe KB3KJS >>> >>> >>> >>> >>> On Mon, 2012-04-09 at 17:17 -0700, Jim WA9YSD wrote: >>>> How well does this antenna perform in a City environment like mine on top >>>> of a 50 foot tower? >>>> >>>> Stay on course, fight a good fight, and keep the faith. Jim K9TF/WA9YSD >>>> _______________________________________________ >>>> UR RST IS ... ... ..9 QSB QSB - hw? BK >>> >>> >>> _______________________________________________ >>> UR RST IS ... ... ..9 QSB QSB - hw? BK >> >> >> _______________________________________________ >> UR RST IS ... ... ..9 QSB QSB - hw? BK > > > _______________________________________________ > UR RST IS ... ... ..9 QSB QSB - hw? BK _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
