Low Band Dxing(2 Direction Beverage Antenna)

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2 Direction Beverage Antenna
Two Direction Beverage Antenna System using twisted pair wire, 300 ohm Ladderline, or surplus Military WD-1A Field Wire Radioware and KD9SV have announced a new simplified Beverage antenna system kit. The kit includes an optimized feed and reflection transformers and can be used with either a custom manufactured “Twisted Pair Wire,” 300 Ohm ladder line available from Radioware or Military surplus WD1 or WD-1A Field Telephone Wire. Conceptually, the design is similar to other two wire designs using “ladder line” but is greatly simplified for ease of use and installation. This antenna is great for those who can only install receiving antennas during the winter season. In the spring, the antenna can be wound up on a hose reel for re-installation come fall. It is also robust enough for a permanent installation. This new design also offers the ultimate in installation simplicity while providing excellent front-to-back ratios and the advantage of receiving from two directions from one simple antenna. The Feed Transformer and Reflection Transformer are designed with bi-filar windings for extremely good balance utilizing the popular binocular type ferrite cores and optimized impedance matching. The transformers are also encapsulated with polyurethane and plastic box for complete weather protection.
Reversible Feed Transformer	Reversible Reflection Transformer
Twisted Pair shown in above diagram can be 300 ohm Ladder Line, Twisted Pair Wire, or WD1 Twin Lead Zip Cord, dependent upon selection of Feed and Reflection Transformers. See ordering below. Schematic from NCJ.
Installation is simple and easy. Two feed lines go from the feed point transformer at the near end for direction selection thereby eliminating the need for relays to change directions. At the far end, the wires are connected to the reflection transformer. For best operation, the unused direction should be terminated with a 75 ohm resistor and this can be easily done at your antenna selection box.

Recommended Beverage Antenna Lengths
W1WCR	ON4UN	W8WWV
290 ft	286 ft	335 ft
581 ft	563 ft	710 ft
887 ft	853 ft	990 ft
1183 ft	1122 ft	1225 ft
The above lengths are optimized for best Front-to-Back at optimum incoming wave angles for most DX conditions.*
* References: Vic Misek W1WCR, The Beverage Antenna Handbook John Devoldore ON4UN, Low Band DX'ing Greg Ordy W8WWV, The Benchmark Beverage
NOTE: A pair of Reversible Beverages (two antennas) will cover all four prime directions in a smaller footprint then four single wire antennas.

The custom manufactured twisted pair wire can be ordered cut to length to fit your particular installation. Electrical connections are weatherproof binding posts for the wires and ground and F female coax connectors for the feed lines. This system is optimized for 75 ohm RG6 as it is inexpensive and easy-to-work-with. Basic installation instructions and technical directions are provided.

Beverage Feed & Reflector Sets
Catalog #	Item Description	Unit Price
SV-RB300	Feed & Reflector Transformer for 300ohm ladderline	$99.95
SV-RBTP	Feed & Reflector Transformer for Twisted Pair Wire	$99.95
SV-RBWD1	Feed & Reflector Transformer for Military WD-1A Wire	$99.95

Wires for above Beverage Feed & Reflectors
ItemDescription	Part#	< 100ft Price/ft	< 499ft Price/ft	< 999ft Price/ft	1000+ ft Price/ft
Ladder Line 300 ohm, #18, 19 strand copper clad steel ladder line, PE jacket	LL300-18	$0.29	$0.26	$0.24	$0.23
Twisted Pair, 18 AWG Twisted Pair wire, 16 strand tinned copper wire.	TP	$0.20	$0.18	$0.16	$0.14
WD-1A Military Wire, 7 strands; 3 steel, 4 copper, twin lead zip cord. Black vinyl covered. Tensile strength 200 lbs.	WD1A	$0.16	$0.14	$0.12	$0.10

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