[Elecraft] Loop antenna's

[Tom H Childers]

Here is a good antennae discussion reflector email address, which is
more appropriate than the Elecraft list: antennas at 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 <sjl219 at 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 <k6ih at 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-
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