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GA 56W
Antenna
Installation
Instructions
190-00483-01
November, 2005
Revision D

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Summary of Contents for Garmin GA 56W

  • Page 1 GA 56W Antenna Installation Instructions 190-00483-01 November, 2005 Revision D...
  • Page 2 Garmin. Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed and...
  • Page 3 California to cause cancer, birth defects, or reproductive harm. This Notice is being provided in accordance with California's Proposition 65. If you have any questions or would like additional information, please refer site www.garmin.com/prop65. GA 56W Antenna Installation Instructions Page i 190-00483-01 Revision D...
  • Page 4 This page intentionally left blank Page ii GA 56W Antenna Installation Instructions Revision D 190-00483-01...
  • Page 5: Antenna Mounting Location

    GA 56W Antenna Installation Instructions Careful planning and consideration of the following guidelines are required to achieve the desired performance and reliability from the GA 56W antenna. Introduction The GA56W is a GPS antenna with an integral preamplifier providing a minimum gain of 26.5 dB and a noise figure of less than 4 dB.
  • Page 6: Antenna Grounding

    It is very important to have good conductivity between the coaxial shield and the ground plane. This is ensured when all the fasteners properly ground the antenna base to the skin of the aircraft. Page 1-2 GA 56W Antenna Installation Instructions Revision D 190-00483-01...
  • Page 7: Antenna Installation

    Refer to Appendix A for the appropriate mounting cutout. Drill or punch the holes. b. Install a doubler plate to reinforce the aircraft skin, as required. c. Place install gasket, Garmin part number 253-00002-00, on top of aircraft skin using the four screw holes to align the gasket.
  • Page 8: Antenna Weight

    1575MHz 3.0 dBic 3 dB max 1575MHz -0.5 dBic 3 dB max 1575MHz -2.0 dBic 6 dB max 1575MHz -3.4 dBic 6 dB max 1575MHz -5.7 dBic 6 dB max Page 1-4 GA 56W Antenna Installation Instructions Revision D 190-00483-01...
  • Page 9: Environmental Specifications

    Environmental Specifications It is the responsibility of the installing agency to obtain the latest revision of the GA 56W Environmental Qualification Form. This form is available directly from Garmin under the following part number: GA 56W Environmental Qualification Form, Garmin part number 005-00232-00 www.garmin.com)
  • Page 10: Limited Warranty

    Garmin retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion. SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY.
  • Page 11: Appendix A Installation Drawing

    1.91 48.5 .22 5.6 .50 12.7 4X #8-32 STUD BNC CONNECTOR SIDE VIEW FRONT VIEW 2X 1.625 41.28 .813 20.64 .188 4.78 .625 15.88 2.59 [65.8] MOUNTING CUTOUT (ANTENNA OUTLINE) GA 56W Antenna Installation Instructions Page A-1 190-00483-01 Revision D...
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Table of Contents