Antennas: Difference between revisions

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* Doubler Plates
* Doubler Plates
** [https://www.steinair.com/product/ga-35-gps-antenna-doubler/ Stainair Garmin GA-35 / GA-55 / GA-56 GPS Antenna Doubler]
** [https://www.steinair.com/product/ga-35-gps-antenna-doubler/ Stainair Garmin GA-35 / GA-55 / GA-56 GPS Antenna Doubler]
** [https://www.steinair.com/product/garmin-gps-xm-antenna-doubler/ Steinair Garmin GA-57X GPS/XM antenna doubler]
** [https://www.chiefaircraft.com/gmn-115-00846-10.html Garmin GA-35 / GA-55 / GA-56 GPS Antenna Doubler (Part  115-00846-10)]
** [https://www.chiefaircraft.com/gmn-115-00846-10.html Garmin GA-35 / GA-55 / GA-56 GPS Antenna Doubler (Part  115-00846-10)]
** [https://www.steinair.com/product/bent-whip-com-antenna-doubler/ Steinair Comant CI-121 Bent Whip Antenna Doubler]
** [https://www.steinair.com/product/bent-whip-com-antenna-doubler/ Steinair Comant CI-121 Bent Whip Antenna Doubler]
** [https://www.steinair.com/product/garmin-gps-xm-antenna-doubler/ Steinair Garmin GA-57X GPS/XM antenna doubler]
** [https://www.steinair.com/product/ci-105-dme-transponder-antenna-doubler/ Steinair Comant CI-105 DME Transponder Antenna Doubler]
** [https://www.steinair.com/product/ci-105-dme-transponder-antenna-doubler/ Steinair Comant CI-105 DME Transponder Antenna Doubler]
* Installation Manuals
* Installation Manuals

Revision as of 15:02, 6 July 2022

Mounting Instructions

Antennas

Garmin GPS antenna for G3X GA56 (BNC connector)
(not included with G3X)
Garmin GPS antenna for certified GPSs (GTN650, GNX,...) GA35 (TNC screw-on connector)
(GPS price might include antenna or not, check with vendor, Sarasota includes it)
Transponder / ADS-B antenna Comant CI-E05 (experimental version of CI-105)

VHF top antenna

(works better for ground communications)

Comant CI-E21 (experimental version of CI-121)

VHF bottom antenna

(works well when airborne but not necessarily on ground)

Comant CI-E22 (experimental version of CI-122)
MB antenna Rami AV-64
VOR/GS antenna Archer VOR ANT LT Model 1 (different order number for left and right, please check)
ELT antenna (whatever comes with your ELT)

Example of Bob Archer NAV / Glideslope Antenna mounted in aftermarket Aveo ZipTip.

Frequency plot of Bob Archer antenna (shows 50 Ohm and resonance in the VOR/LOC frequency range of 108-118 MHz):

ELT Antenna Placement

  • ELT antenna installation is governed by 14 CFR § 91.207 and AC 91-44A: It asks for:
    • "Proper installation" (which means you need to follow the installation instruction from the ELT manufacturer)
    • "The presence of a sufficient signal radiated from its antenna" (annual test).
    • The antenna to be vertically mounted
  • You may install the antenna inside the airplane if
    • The airplane skin is non conductive (the RV-10 fiberglass canopy area should be fine) or the antenna is centered behind a window of at least 12 x 12 inch size
    • You provide a ground plane for it (24 inches radius for 121 MHz!)