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SPECIFICATIONS:

Model ......................................... 370CP38
Frequency Range ....................... 365 To 375 mHz
*Gain .......................................... 17.4 dBi
Front to back .............................. 24 dB Typical
Feed type ................................... Folded Dipole
Feed Impedance. ....................... 50 Ohms Unbalanced
Maximum VSWR ........................ 1.6:1
Input Connector .......................... "N" Female
FEATURES:
The 370CP38 is high 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 work
but is also excellent for terrestrial uses like long haul tropo communications.
The CNC machined driven element module is O-ring sealed and weather tight for low maintenance 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 on the boom to minimize interaction and maintain good
ellipticity. Insulators are UV stabilized and locked in place with stainless keepers. Rugged construction, uncompromising
performance for the boom length: that's the M
M2 Antenna Systems, Inc. 4402 N. Selland Ave. Fresno, CA 93722
M2 Antenna Systems, Inc.
Model No: 370CP38
*Subtract 2.14 from dBi for dBd
2
370CP38!
Tel: (559) 432-8873 Fax: (559) 432-3059 Web: www.m2inc.com
©2015 M2 Antenna Systems Incorporated
Power Handling .......................... 1.5 kW
Boom Length / Dia ...................... 186" / 1", 1-1/4" & 1-1/2"
Maximum Element Length .......... 16"
Turning Radius: .......................... 108"
Stacking Distance ....................... 62" - 68"
Mast Size .................................... 2" Nom.
Wind area / Survival ................... 1.5 Sq. Ft. / 100MPH
Weight / Ship Wt. ........................ 8 Lbs. / 10 Lbs.
09/17/15
Rev.02

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Summary of Contents for M2 370CP38

  • Page 1: Specifications

    *Subtract 2.14 from dBi for dBd FEATURES: The 370CP38 is high 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 work but is also excellent for terrestrial uses like long haul tropo communications.
  • Page 2 370CP38 ASSEMBLY MANUAL TOOL REQUIRED FOR ASSEMBLY: screwdriver, 11/32 nut driver or wrench, 7/16” and 1/2” socket or end wrenches, measuring tape. 1. Assemble the boom using 8-32 screws and locknuts to join sections. ( SEE BOOM LAYOUT PAGE). ASSEMBLING THE HORIZONTAL ELEMENTS 2.
  • Page 3: Installation Tips

    THIS COMPLETES THE ANTENNA ASSEMBLY. INSTALLATION TIPS 1. The 370CP38 is a circular polarized antenna and creates a field in all planes or polarities. Performance DETERIORATES SIGNIFICANTLY if it is mounted on a metal (conductive) mast or crossboom. A mast or crossboom of any NON-CONDUCTIVE material must be used.
  • Page 4 370CP38 BOOM LAYOUT REAR OF ANTENNA FRONT OF ANTENNA...
  • Page 5 370CP38 DIMENSION SHEET...
  • Page 6 370CP38 BTM/BALUN/PHASE LINE DETAIL NOTE: INSTALLATION OF THE D.E. BLOCKS DETERMINES THE CIRCULARITY OF THIS ANTENNA. THE ORIENTATION OF THE BLOCKS FOR RHC - RIGHT HAND CIRCULARITY, IS SHOWN BELOW & ON THE DIMENSION SHEET. FOR LHC - LEFT HAND CIRCULARITY, SIMPLY REVERSE ONLY ONE OF TWO D.E. BLOCKS TO THE OPPISITE SIDE OF THE BOOM.
  • Page 7 POLARITY SWITCH OPTION DETAILS BALUN JUNCTION BLOCK HORIZONTAL D.E. (P.S.) VERTICAL RG-6 1/4  D.E. RG-6 3/4  BALUN REAR OF ANTENNA...
  • Page 8 370CP38 VSWR...
  • Page 9 370CP38 PARTS & HARDWARE DESCRIPTION ................QTY BOOM SECTION # 1, 1.0 X .058 X 30” ......... 1 BOOM SECTION # 2, 1.25 X .058 X 30” SOE ......1 BOOM SECTION # 3, 1.50 X .058 X 55” SBE ....... 1 BOOM SECTION # 4, 1.25 X .058 X 37”...