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SPECIFICATIONS:
Model ......................................... 137CP14HD
Frequency Range ....................... 137 To 138 MHz
*Gain, (FS) / 4 spaced 198" ....... 10.5 dBi
Front to back .............................. 19.0 dB Typical
Beamwidth ............................... 34°
Feed type ................................... T-Match
Feed Impedance. ....................... 50 Ohms Unbalanced
Maximum VSWR ........................ 1.4 Max
Input Connector .......................... "N" Female
FEATURES:
The 137CP14HD is a mid-sized, performance circular polarized antenna with a remarkably clean pattern. The pattern is
important in order to match the antenna's noise temperature with modern low noise preamps. This antenna is ideal for
satellite communications. The CNC machined driven element module is O-ring sealed and weather tight for low mainte-
nance and long-term peak performance. Internal connected are encapsulated in a space-age silicone gel that seals out
moisture and improves power handling. The 3/16" 6061-T6 rod elements are centered to minimize interaction and main-
tain good ellipticity. Insulators are UV stabilized and locked in place with stainless keepers. Rugged construction, uncom-
promising performance: that's the M
M2 Antenna Systems, Inc. 4402 N. Selland Ave. Fresno, CA 93722
M2 Antenna Systems, Inc.
Model No: 137CP14HD
*Subtract 2.14 from dBi for dBd / FS = Free Space
2
137CP14HD
Tel: (559) 432-8873 Fax: (559) 432-3059 Web: www.m2inc.com
©2014 M2 Antenna Systems Incorporated
Polarity ....................................... RHCP
Power Handling .......................... 1.5 kW
Boom Length / Dia ..................... 142"/ 1-1/2"
Turning Radius: .......................... 92"
Stacking Distance ...................... Call Factory
Mast Size ................................... 2" Nom.
Wind area / Survival ................... 1.63 Sq. Ft. / 100 MPH
Weight / Ship Wt. ....................... 10 Lbs. / 13 Lbs.
11/26/14
Rev.00
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Summary of Contents for M2 Antenna Systems 137CP14HD
- Page 1 *Subtract 2.14 from dBi for dBd / FS = Free Space FEATURES: The 137CP14HD is a mid-sized, performance circular polarized antenna with a remarkably clean pattern. The pattern is important in order to match the antenna’s noise temperature with modern low noise preamps. This antenna is ideal for satellite communications.
- Page 2 137CP14HD DIMENSION SHEET NOTE: ANTENNA SHOWN IN RIGHT HAND CIRCULARITY NOTE: BALUN & PHASING LINES NOT SHOWN FOR CLARITY.
- Page 3 BOOM TO MAST DETAIL...
- Page 4 137CP14HD ASSEMBLY MANUAL TOOL REQUIRED FOR ASSEMBLY: Screwdriver, 11/32 nut driver or wrench, 7/16” and 1/2” end wrenches, pliers, measuring tape. 1. Start by laying out the boom sections, noting hole positions and matching to the DIMENSION SHEET. 2. If you are also using the M H-frame Kit, open that kit and find one of the 'T' brace clamps shown at right.
- Page 5 137CP14HD ASSEMBLY MANUAL 7. Mount the HORIZONTAL DRIVEN ELEMENT BLOCK / ROD ASSEMBLY to the TOP of the boom using a single 8-32 x 1-3/4" screw. Orient the block with the two Balun connectors facing to rear. Install the 8-32 x 1/4” set screws (internal Allen head – tool supplied) into the SHORTING BARS.
- Page 6 NON-CONDUCTIVE mast or crossboom. 13. The 137CP14HD ANTENNA creates a field in all planes or polarities. PERFORMANCE DETERIORATES SIGNIFICANTLY if it is mounted to a metal (conductive) mast / cross boom or if the feedline exits the boom anywhere but at the rear.
- Page 7 137CP14HD PARTS & HARDWARE DESCRIPTION #1 BOOM SECTION, 1-1/2 X .058 X 60” SOE ....1 #2 BOOM SECTION, 1-1/2 X .058 X 56” SOE ....1 #3 BOOM SECTION, 1-1/2 X .058 X 32” STR ....1 ELEMENTS, 3/8 Tube X Dimension Sheet ...... 14 DRIVEN ELEMENT BLOCK ASSEMBLY ......
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