On 19 Mar 2006 03:13:22 -0800, "RHF"
wrote:

For One and All,

Three Band : 49 & 31 & 22 Meter Bands Shortwave Listener
(SWL) Tri-Band Dipole {Wire} Antenna On-the-Fence

Top Dipole Antenna for the 31 Meter Band
- Height above ground On-the-Fence = 5-Feet
- Two 24.5 Feet long Single Wire Arms = 1/4 WL
- Tip-to-Tip Length of 49.0 Feet = 1/2 WL
- First 34 Inches for the Wire Antenna Elements
(Dipole Arms) Sloping Up at 45 Degrees from the
Matching Transformer (Balun) and then Flat.

Center {Middle} Dipole Antenna for the 49 Meter Band
- Height above ground On-the-Fence = 3-Feet
- Two 38.5 Feet long Single Wire Arms = 1/4 WL
- Tip-to-Tip Length of 77.0 Feet = 1/2 WL
- Mounting-Point for the Matching Transformer (Balun).
- Wire Antenna Elements (Dipole Arms) are Rigged Flat.

Bottom Dipole Antenna for the 22 Meter Band
- Height above ground On-the-Fence = 1-Feet
- Two 17.1 Feet long Single Wire Arms = 1/4 WL
- Tip-to-Tip Length of 34.20 Feet = 1/2 WL
- First 34 Inches for the Wire Antenna Elements
(Dipole Arms) Sloping Down at 45 Degrees from
the Matching Transformer (Balun) and then Flat.

* Requires a 4:1 Matching Transformer {Balun}

* Ground Rod located in the ground
at the Center-Point of the Dipole

* 25-75 Foot of Coax Cable Feed-in-Line

* Mount on a Fence that is at least 10 Feet
away from the House / Radio Shack.

* Use # 14 AWG Insulated Stranded Copper Wire for
the Wire Antenna Elements of all three Dipole Antennas.

TIP - For a "Receive Only" Shortwave Listener (SWL)
Antenna - Simply Staple the Wire in-place On-the-Fence.
-Or- Use Screw-In TV type Stand-Offs.

Remember with All Wire Antennas :
More Wire 'is' More Wire and nothing else is assured.
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All are WELCOME and "Invited to Join" the
Shortwave Listener (SWL) Antenna eGroup on YAHOO !
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
SWL ANTENNAS GROUP = http://tinyurl.com/an6tw
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Some Say: On A Clear Day You Can See Forever.
I Believe : On A Clear Night You Can Hear Forever
. . . and Beyond , , , The BEYOND ! ! !
With a Shortwave Listening Antenna of your own making.
"If You Build It {SWL Antenna} You Will Hear Them !"
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
SHORTWAVE ANTENNA FORUM = http://tinyurl.com/an6tw
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For a dipole skip the 4:1 balun - go straight to the coax or use a 1:1
unun. If you were building a folded dipole the 4:1 balun would be
more appropriate. You can ground or not ground the dipole; it is a
balanced antenna so grounding is a matter of lightning protection &
providing a path for the static electricity to drain - a better path
than draining to the radio. I guess the dipole that's 1 foot above
the ground is for 'ground wave' reception 8-}