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6M7JHV ASSEMBLY MANUAL
17. INSTALLATION AND STACKING INFORMATION
A. A mast or crossboom that is mounted to the boom in the element plane must be non
conductive (fiberglass, etc).
B. To protect your investment in this high performance antenna, always use high quality
coax and connectors. Old, corroded, or poor quality materials are common sources of serious
performance losses.
C. If possible, test the antenna, connectors and feedline BEFORE installing to your mast
or tower. Set antenna on a tall ladder or temporary mast. Check for continuity and match across
the bandwidth. It should be similar to rated specifications.
D. STACKING REMINDERS:
1. All driven element blocks MUST be oriented to the same side of boom.
2. All boom-to-mast plates MUST be mounted at the same point on the boom.
3. Feed / phasing lines MUST be of equal electrical length or multiples of 1 wavelength in order to
maintain equal phasing in the array. Improper phasing can severely deteriorate performance.
2
4. If you are unsure about stacking multiple antennas, please call M
and let us help you DO IT
RIGHT
T
HIS COMPLETES THE ANTENNA ASSEMBLY.
Carefully manufactured by:
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M
ANTENNA SYSTEMS, INC.
4402 N. Selland Ave.
Fresno, CA 93722
(559) 432-8873 Fax: 432-3059
www.m2inc.com
Email:
sales@m2inc.com
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