[Lowfer] Sloper antenna question

Paul Daulton k5wms at centurytel.net
Wed Jul 7 10:45:24 EDT 2010


Andy have you thought of a receiving loop?

I am impressed with the reports from those using large loops(8-10 ft).

My pa0rdt mini whip seems to perform well at 7 and 10 mhz but I havent used 
it on 160. Need to compare with dipole.

Some propagation on Lowfer this past week, my signal peeks into Ralphs 
grabber during early morning hours, about 30 % copy. Last night I got one ID 
sequence on WEB about 80% copy. some weather in my area no t'storms.

Good luck,
Paul k5wms
----- Original Message ----- 
From: "Andy - KU4XR" <ku4xr at yahoo.com>
To: "160 Meter Yahoo Group" <160M at yahoogroups.com>; "600 meter group" 
<SHMRG at piobaire.mines.uidaho.edu>; <lowfer at mailman.qth.net>
Sent: Wednesday, July 07, 2010 9:27 AM
Subject: [Lowfer] Sloper antenna question


> Gentlemen:
>
> Unfortunately for me, I live in a rather noisy location for radio 
> reception which is very frustrating. I have always desired to be able to 
> hear better than talk.On the best day, my S-meter reading on 10 meters 
> runs an S-3 on SSB, the lower in frequency of course, the higher the 
> reading goes. I am surrounded by power lines on 2 sides of my property, 
> and I'm butted right up against the adjoining propertys " Woods ". I have 
> one side that is open, and it runs fortunately in an eastward direction.
>
> My main interests are for 160 meters, and below, hoping to lower my noise.
> I have been reading about the sloper antenna recently, considering it 
> mainly for reception. I can't put up a horizontal loop. The OCF Windom I 
> currently use seems to do very well, but is there an antenna that will 
> receive good, with a lower noise pickup from mostly manmade noise. I'm not 
> wanting to try anything that requires power, sticking with the simple wire 
> type antennas. I don't have the room though to run a beverage.
>
> Here's the antenna I have the interest in, and hopefully some of you guys 
> have had experience with it, " Pro or Con ".... I saw a sloper design that 
> was intended for space restricted users. A 1/2 wavelength of wire, with 
> half of it linearily wound on a PVC pipe, and the other half stretched out 
> in the desired direction and tied off. Many combination are possible in 
> its orientation, such as; the coil section horiz. and wire horiz.;;; coil 
> and wire at a 45 degree angle, ;;; coil horiz. and wire at 45 degrees. 
> Coil vert. and wire horiz. The one that intrigues me the most though, is 
> with the coiled section mounted vertically, and the wire half sloping at a 
> 45, or whatever degree angle. One of the MANY websites I visited, stated 
> that in this arrangement, the antenna would exhibit both vertical, and 
> slightly horizontal characteristics...
>
> Has anyone tried this type of antenna, in any configuration ?? and what 
> was your experience with it. Again, mainly for receive, and hoping to 
> lower my noise level on 160 meters and below. If this is even worth 
> trying; my thoughts were to build it for a full wavelength on 160 meters, 
> and it should receive OK at 600 meters, and hopefully decent below that. 
> Mounting height will most likely be around 20 feet AGL, and slope down to 
> about 8 feet AGL.
>
> Thank you for your time reading this, and for any replies.
>
> 73 to all:
>
>
> Andy - KU4XR - EM75xr - Friendsville, TN. USA
> LOWfer Beacon " XR " @ 185.29875 KHz ( QRSS-60 )- Temporarily OFF
> Coordinates:  N:  35º 43' 54" - W:  84º 3' 16"
> http://www.myspace.com/beaconxr
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