Here is a good antennae discussion reflector email address, which is more appropriate than the Elecraft list: anten...@mailman.qth.net.
Try it you'll like it. 73, Tom Amateur Radio Operator N5GE Licensed since 1976 ARRL Lifetime Member QCWA Lifetime Member On Wed, 14 Aug 2013 08:44:33 -0400, Stan <sjl...@optonline.net> wrote: >Well said, Bill. I used to sign /QRP but stopped doing that routinely and >increased my CQ return rate. Nowadays I do not mention my attic doublet >unless the subject comes up. Why shoot myself in the foot... > >I have nothing against small loops. I built a simple 40 meter STL from about >8 feet of hardline and used inductive coupling and it was very, very >impressive. Then I built the mother of all loops from Home Depot 2 inch >copper tubing, an Edmunds Scientific 1 rpm motor, and a Jennings vacuum >variable. Cost me over $500 ! It was for 20 meters only. It worked >amazingly well, including a QRPp contact with UA1CE not once, but twice. > >The reason I abandoned small loops was a practical one -- frequency agility. >Because I had the option, I installed my remotely coupled multiband attic >doublet. My advice to those dealing with antenna restrictions is to consider >small loops along with other solutions if the opportunity is there but not to >view a small loop as something magical and mystical. > >My QRPp QSO with Gene could have occurred with a wet noodle if the conditions >were right. > >73, Stan WB2LQF > >Sent from Samsung tabletBill - K6IH <k...@arrl.net> wrote:Howdy to all, > >I don't think anyone will question the fact that a good antenna system >is one of the most important factors in a ham station being able to >communicate efficiently particularly when using qrp power levels. > >While I would agree that a full length dipole antenna, or beam antenna >would be preferable to a smaller 3' loop antenna, in my case that is not >only impractical but impossible at my home qth since I live in a high >rise building that has steel supports throughout the building instead of >wooden studs. This effectively makes the interior of my high rise >apartment inside of a faraday rf shield and prevents most radio signals >from radiating or receiving when using an antenna inside of my >apartment. This means an antenna has to be mounted outside of the >apartment, and the balcony is the only area available to install an >antenna. With such a limited area to install an amateur antenna, I find >the MFJ 3' loop to be one of the better alternatives to be able to >operate my ham station on the hf bands, and still be able to change >bands and tune the antenna remotely with the MFJ Remote Control Unit. > >With the myriad of various CC&R's and antenna restrictions around the >USA, many hams are forced to utilize compromise antenna systems to >operate from their home qth, and finding the best alternative antenna >configuration for an individual ham's location can be challenging. >Therefore, I am very pleased with the various Loop antennas available >from various ham vendor sources, since it allows many hams the >capability to get on the air, when they might not be able to do so >without the smaller loop antennas. Before deciding that hf ham radio >operation is not feasible from an antenna restricted location, I would >encourage a person facing such restrictions to seriously consider trying >a loop antenna. > >73, > >--Bill - K6IH- >______________________________________________________________ >Elecraft mailing list >Home: http://mailman.qth.net/mailman/listinfo/elecraft >Help: http://mailman.qth.net/mmfaq.htm >Post: mailto:Elecraft@mailman.qth.net > >This list hosted by: http://www.qsl.net >Please help support this email list: http://www.qsl.net/donate.html >______________________________________________________________ >Elecraft mailing list >Home: http://mailman.qth.net/mailman/listinfo/elecraft >Help: http://mailman.qth.net/mmfaq.htm >Post: mailto:Elecraft@mailman.qth.net > >This list hosted by: http://www.qsl.net >Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
