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308 Industrial Park Road
Starkville, MS 39759 USA
Ph: (662) 323-9538 FAX: (662) 323-6551
I N S T R U C T I O N M A N U A L
General Description
The Hy-Gain DB-1217 is a 7 element, 2 band
beam antenna designed for operation on the 12
and 17 meter amateur bands. The DB-1217 uses
Hy-Gain's unique Para-Sleeve driven element,
monoband reflectors and directors, and Hy-Gain's
rugged boom-to-mast bracket. The DB-1217 will
mount on a standard 2" O.D. mast and can be
rotated with Hy-Gain's CD-4511 or HAM-IV/V
rotators. All hardware is stainless steel.
*References: U.S. Patent Number 4,604,628. "The Open-Sleeve Antenna", CQ Magazine, Vol. 39, No.
8, August 1983, Pages 13-19. The ARRL Antenna Book, 16th Edition and later, "The Open-Sleeve
Antenna", Multiband Antennas Chapter.
D B - 1 2 1 7
Duo-Monoband Beam 7 -
Element, 12 and 17 Meter
Hy-Gain's Para-Sleeve* driven element and the
monoband parasitics allow 3 element monobander
performance on each of the two bands! In
addition, the DB-1217 includes assembly
dimensions for either 12/17 meters or 10/ 15
meters! The DB-1217 is designed to survive 115
MPH winds with no ice and 80 MPH winds with
0.25 inch radial ice! This antenna also features a
4 piece boom and a 49" (1.24m) shipping
container - ideal for DXpeditions.
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Table of Contents
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Summary of Contents for Hy-Gain DB-1217
- Page 1 General Description Hy-Gain's Para-Sleeve* driven element and the monoband parasitics allow 3 element monobander The Hy-Gain DB-1217 is a 7 element, 2 band performance on each of the two bands! In beam antenna designed for operation on the 12 addition, the DB-1217 includes assembly and 17 meter amateur bands.
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Page 2: Preparation For Assembly
Assemble the two cast aluminum brackets (Item Preparation for Assembly 1) on your temporary mast about 4 feet (1 m) FOR OUR OVERSEAS CUSTOMERS: The above ground. Secure the two brackets together United States uses American units of using the two 5/16"-18 x 3" bolts, nuts and measurement. -
Page 3: Element-To-Boom Brackets
Assemble the brackets as shown in Figure 2 and Element-to-Boom Brackets position them on the boom as shown in Figure 8. There are three sizes of element-to-boom brackets It is easier to assemble the brackets on the boom supplied. The largest (Item 4) has a 1 1/2" I.D., at the correct location, rather than try to slide and is used only on the 17m driven element. -
Page 4: Element Assembly
The VSWR curves are typical for this antenna mounted 70 feet (21.3 m) above ground. Similar The DB-1217 is supplied with 3 settings - 12/17, curves can be expected for this antenna mounted 10/15 - CW and 10/15 - Phone. Choose one of between 30 feet (9.1 m) and 100 feet (30.5 m) - Page 5 Figure 6 Driven Element Assemblies Figure 7 Director Assemblies...
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Page 6: Beta Match Assembly
Make sure the anchor bolts in the center of each bracket are still loose at this point. Figure 8 DB-1217 Overall View NOTE: DO NOT ALLOW THE BETA RODS... - Page 7 A voltage-balun Attach a gin pole to the tower or mast to assist in such as the Hy-Gain BN-86 may be used if lifting the antenna. There must be at least two (2) antenna tuners and high-power amplifiers will not people available when installing this antenna.
- Page 8 Parts List Item Part No. Description Qty 102734 Mast Bracket, cast aluminum............2 163371 Clamp, beta shorting ..............2 165919 Bracket, Element-to-boom, #13........... 4 165920 Bracket, Element-to-boom, #14........... 2 172732 Clamp, Boom-to-bracket.............. 1 172735 Bracket, Casting-to-boom ............1 179892 Tube, 2" x.049 x 42 1/2", drilled ..........2 179893 Tube, 2"...
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