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SPECIFICATIONS:
Model ........................................ 10M7DX
Frequency Range ...................... 28.0 To 29.0 MHz
*Gain, (FS) / Over gnd ............... 12.4dBi / 17.6dBi @35'
Front to back .............................. 25 dB Typical
Beamwidth ............................... E=43° / H=50°
Feed type ................................... Hair pin match
Feed Impedance........................ 50 Ohms Unbalanced
Maximum VSWR ....................... 1.2:1
Input Connector ......................... SO-239, Others avl.
FEATURES:
The 10M7DX was designed for the DX'er using computer optimization techniques. Performance is excellent on
both the CW and phone. The pattern is sharp and clean reducing noise and QRM. The 10M7DX is a band opener and
closer. It makes 100 watts sound like a kW! Mechanically, CNC machined aluminum (6061-T6) ring clamps ground the
elements to the boom and make assembly a snap. A hairpin type match couples the 3 kW 1: balun to the feed line. The
antenna is completely DC grounded. Great effort has been put into making sure this antenna stays in the air for years to
come while providing enjoyment and satisfaction along the way. The 10M7DX is destined for the DX antenna HONOR
ROLL!
M2 Antenna Systems, Inc. 4402 N. Selland Ave. Fresno, CA 93722
M2 Antenna Systems, Inc.
Model No: 10M7DX
*Subtract 2.14 from dBi for dBd / FS = Free Space
Tel: (559) 432-8873 Fax: (559) 432-3059 Web: www.m2inc.com
©2018 M2 Antenna Systems Incorporated
Power Handling ......................... 3 kW, Higher avl.
Boom Length / Dia ..................... 45' 2" / 2-1/2" To 2"
Element Length / Dia. ................ 18.5' / 1" To 1/2"
Turning Radius: ......................... 26'
Stacking Distance ...................... 35'
Mast Size ................................... 2" to 3 " Nom.
Wind area / Survival................... 6 Sq. Ft. / 100 MPH
Weight / Ship Wt. ....................... 49 Lbs. / 60 Lbs.
7/16/18
REV A
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Summary of Contents for M2 Antenna Systems 10M7DX
- Page 1 The 10M7DX was designed for the DX’er using computer optimization techniques. Performance is excellent on both the CW and phone. The pattern is sharp and clean reducing noise and QRM. The 10M7DX is a band opener and closer. It makes 100 watts sound like a kW! Mechanically, CNC machined aluminum (6061-T6) ring clamps ground the elements to the boom and make assembly a snap.
- Page 2 10M7DX ASSEMBLY MANUAL Note: A cup of zinc paste (PENETROX, NOALOX, or equivalent) has been provided to enhance the quality of all the electrical joints in this antenna. Apply a thin coat wherever two pieces of aluminum come in contact PARTICULARLY IN THE DRIVEN ELEMENT MATCHING ASSEMBLY.
- Page 3 10M7DX ASSEMBLY MANUAL OVERHEAD GUY ASSEMBLY 7. If possible, attach the feedline to the balun and route it forward to about 18 feet from the rear of the boom. Seal the connector with black tape, coax seal or equivalent. Now pick up the antenna and mark the balance point.
- Page 4 10M7DX DIMENSION SHEET EXPOSED TIP LENGTH 62.813...
- Page 5 10M7DX ASSEMBLY DETAILS...
- Page 6 GENERIC COMPRESSION CLAMP DETAIL...
- Page 7 10M7DX PARTS & HARDWARE DESCRIPTION BOOM SECTION, 2 X .058 X 95” STRAIGHT.......... 1 BOOM SECTION, 2 X .058 X 87” STRAIGHT.......... 1 BOOM SECTION, 2 X .058 X 95’ SWAGED ONE END ......1 BOOM SECTION, 2-1/2 X .065 X 95” SWAGED ONE END ....2 BOOM SECTION, 2-1/2 X .065 X 95”...
- Page 8 10M7DX PARTS & HARDWARE HARDWARE BAG NUT, 5/16-18 SS ..................14 LOCKWASHER, SPLIT RING 5/16" ............14 BOLT, 1/4-20 X 3” SS ................4 BOLT, 1/4-20 X 2-1/2" SS ................. 6 BOLT, 1/4-20 X 2” SS ................14 BOLT, 1/4-20 X 1" SS................7 NUT, 1/4-20 LOCKING, SS ..............
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