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Auto Tuned Multi-Band HF
Stealth Antenna System
DXE-ATSA-1
DXE-ATSA-1-INS Revision 0d
DXE-ATSA-1 shown with optional DXE-SA80-AOK
© DX Engineering 2017
1200 Southeast Ave. - Tallmadge, OH 44278 USA
Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200
Fax: (330) 572-3279 ∙ E-mail: DXEngineering@DXEngineering.com
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Table of Contents
Related Manuals for DX Engineering DXE-ATSA-1
Summary of Contents for DX Engineering DXE-ATSA-1
- Page 1 Auto Tuned Multi-Band HF Stealth Antenna System DXE-ATSA-1 DXE-ATSA-1-INS Revision 0d DXE-ATSA-1 shown with optional DXE-SA80-AOK © DX Engineering 2017 1200 Southeast Ave. - Tallmadge, OH 44278 USA Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200 Fax: (330) 572-3279 ∙ E-mail: DXEngineering@DXEngineering.com...
- Page 2 Typically, with even a short 26 foot wire antenna, you can be on the air on all bands 40M and up – And with the included DX Engineering 45 foot vertical wire antenna element you can be on all bands 80M - 10M! Every antenna installation is different. In some cases, an excellent, hi- performance radial system may cause the tuner to have difficulty tuning certain frequencies in the 80 meter band.
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Page 3: Tools Required
Every effort is made to supply the latest manual revision with each product. Occasionally a manual will be updated between the time your DX Engineering product is shipped and when you receive it. Please check the DX Engineering web site (www.DXEngineering.com) for the latest revision manual. - Page 4 Parts List for the DXE-ATSA-1 Quantity Description DX Engineering custom Laser Cut Stainless Steel Mounting Shelf with integral Radial Wire connection points Laser Cut Stainless Steel Leg DXE-RADW-500 Bulk Radial Wire DXE-STPL-100P Metal Lawn Staples - 100 DX Engineering custom molded End Insulator with special serpentine wire slots - patented MFJ-927 IntelliTuner™...
- Page 5 Recommended Optional Items Quantity Description DXE-PSW-12D1A AC Adapter 12 VDC/1000 ma PTX-81343 Anti-Seize, 1 oz Squeeze Tube SUM-900031 Automatic Wire Stripper/Crimper/Cutter, 24-10 Ga. TES-2155 3M Temflex™ 2155 Rubber Splicing Tape TES-06132 Scotch® Super 33+ Vinyl Electrical Tape Shelf The shelf is the mounting platform for all of the parts. Figure 1 is the top view of the Engineering custom laser cut stainless steel mounting shelf with integral radial wire connection points shows all the holes with a reference for what will be installed in them.
- Page 6 Installing Ground Spikes and Antenna Insulator Note: UMI-81343 Anti-Seize should be used on all stainless steel hardware to prevent galling. Using the included stainless steel hardware, mount the four ground spikes as shown in Figure 2 to the shelf using a 7/16" nut driver. The spikes point downward. The external tooth washer is installed between the bottom of the shelf and the top of the spike to ensure a good RF connection.
- Page 7 Installing MatchBoxx™ Installing the MatchBoxx™ to the shelf is a two step procedure. First install the stainless steel hardware using a 5/16" and 3/8" nut driver on each of the four corners of the MatchBoxx™ as shown in Figure 4. Tighten securely, but do not over tighten. Figure 4 Install the MatchBoxx™...
- Page 8 The MFJ-927 Tuner is held onto the shelf using four hex head bolts that get screwed into four PEM nuts that are permanently installed in the shelf. Place the tuner on the top of the shelf so there is access to the SO-239 and red binding post through the open area on the bottom of the shelf as shown in Figure 6.
- Page 9 The 6-1/2" wire with one ring terminal is installed from the MatchBoxx™ "TUNER" connection to the MFJ-927 red binding post labeled "WIRE" as shown in Figure 9. On the MatchBoxx™ "TUNER" terminal, remove the wing nut, split washer, and flat washer. Install the end of the 6-1/2"...
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Page 10: Site Selection
The customer supplied coaxial cable should be run from the operating position (radio room) to the base of the DXE-ATSA-1. Ideally, the coaxial cable is buried below the soon to be installed radial field. This will help prevent RF currents being fed back into the coaxial cable by the radial wires. -
Page 11: Radial System
Included with the DXE-ATSA-1 is one 500 foot roll of radial wire, a 14 gauge stranded copper with a black relaxed PVC insulation wire. At a minimum, 20 radials, each 25 feet long, should be used with this antenna. - Page 12 Using the 20 sets of supplied #10 stainless steel hardware (Bolt, Flat Washer, Star Washer, Split Washer, Nut) connect the 20 ground radial wires to the DXE-ATSA-1 shelf as shown in Figure 13. (You will use two radial wires on the corner nearest the insulator.) Figure 13 Antenna Wire Element MatchBoxx™...
- Page 13 If you are going straight to a tree (for example) you will probably use only one end insulator. If you are going from the DXE-ATSA-1 to a roof eve or other interim support, then to a tree, you will probably use two end insulators (see Figure 17 for examples).
- Page 14 Connect the antenna element from the DXE-ATSA-1 to a tree. Connect the antenna element from the DXE-ATSA-1 to a tree, then to another tree. Connect the antenna element from the DXE-ATSA-1 to a roof eve, then to a tree. Patented Serpentine Insulators...
- Page 15 Bias "T" Connections Refer to the MFJ-927 manual for details on the Bias "T". The Bias "T" supplies the DC power required in the remote tuner using the coaxial cable that goes from the Bias "T" to the remote tuner. The Bias "T"...
- Page 16 When installing the unit, the four ground spikes must be pushed into the soil to provide a good ground. If your soil is not a good ground (sandy, real hard dirt, etc.), adding a customer supplied ground rod which is connected to the unit at one of the radial connection points will help provide a good ground.
- Page 17 The DXE-SA80-AOK allows easy adjustment for lowest SWR. The DXE-SA80-AOK will aid in tuning a low impedance antenna to the minimum SWR in the customer selected portion of the 80 meter band without affecting operation on the other, higher frequency bands. The #12 AWG coil wire is tin-nickel plated for high power handling, corrosion resistance, ease of soldering and long term reliability.
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Page 18: Optional Items
The end of the 45 foot vertical antenna element is routed through previously mounted insulator to the coil insulator. The wire then goes through the large hole on the coil insulated bracket to the end of the coil (end where the "L" bracket is attached) as shown in Figure 24. Figure 24 Tuning the DXE-SA80-AOK The coil is shipped with the tap set at the third turn in the coil. - Page 19 PTX-81343 - Anti-Seize, 1 oz. Squeeze Tube 1 oz squeeze tube of Anti-Seize. Protects metal parts against rust, corrosion, and seizure Particularly effective on stainless steel bolts and nuts which have a high likelihood of seizure. Squeeze tube Lubricant and sealant This part is classified hazardous and is limited to domestic UPS Ground shipping only SYN-DBR-94-100...
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Page 20: Technical Support
Warranty All products manufactured by DX Engineering are warranted to be free from defects in material and workmanship for a period of one (1) year from date of shipment. DX Engineering’s sole obligation under these warranties shall be to issue credit, repair or replace any item or part thereof which is proved to be other than as warranted;...
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