Antenna Housings On Planes 1 Communications Antennas Editorial Team When most laypeople think of aircraft antennas they assume they are there for effective communication which is correct Com antennas are usually mounted on either the top or bottom of the aircraft and their only concern is being affected by the shadowing of the fuselage
This is a very broad question and the only real answer is There is an antenna for every transmitter or receiver the aircraft will need If an aircraft needs to transmit or receive shortwave someone will cut a hole and mount a shortwave antenna on it If it doesn t need that capability it won t have that antenna voretaq7 Types of Aircraft Antennas There are several types of antennas utilized on aircraft to facilitate different types of communication and navigation systems In this section we will discuss three major types of antennas VHF antennas GPS antennas and transponder antennas VHF Antennas
Antenna Housings On Planes
Antenna Housings On Planes
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A symptom common to worn comm antennas is scratchy background noise in the radio receiver Transmit and receive range performance might suffer as well An expensive issue that s common to aged aircraft is antenna signal cable replacement As far as i know there are a bunch of antennas on board of a small EASA CS 23 plane GPS is for GPS navigation in MHz VHFVOR is for NAV and Glideslope Localizer ADF is for ADF DME is for DME VHFCOM is for COM Questions So there are three two or one VHF antenna How is the VHF signal split
Communication radio antennas usually are mounted on the wings of high wing airplanes Photo by Chris Rose Communication antennas Communication antennas are basic in operation Each com transmitter has its own antenna mostly for redundancy When installing any antenna remember that antennas do interfere with each other when installed too close together and that close metallic or conductive remember graphite objects that are as long or longer in the same polarization plane will reflect RF energy away from them Close meaning one wavelength or closer and closer being worse
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Antennas should never have their original coatings painted over any paint deposit decreases the antenna s performance On an airplane space is limited and antennas are sometimes the last thing to go A sturdy mounting shadowing other antenna interference ground planes and aerodynamics all play a role in antenna placement The location of the antenna is of primary importance When selecting a mounting position consideration should be given but not limited to the following 1 Obstruction to signal reception by aircraft or aircraft components 2 Ignition noise RF radiation pickup 3 Vibration 4 Flutter 5 Instrument static source interference b
There are certain lengths of antennas that are more efficient than others and 1 4 wavelength and 5 8 wavelength antennae offer excellent tradeoffs between length and signal strength A typical NAV COM whip on a light aircraft will often be about 18 long for exactly that reason For aircraft antennas there aren t a lot of frequencies to be concerned with but most are critical to performance when it comes to potential RF interference and signal jamming This is a Garmin SXM antenna Like most others be sure it doesn t get painted Consider a combination GPS VHF antenna
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1 Communications Antennas Editorial Team When most laypeople think of aircraft antennas they assume they are there for effective communication which is correct Com antennas are usually mounted on either the top or bottom of the aircraft and their only concern is being affected by the shadowing of the fuselage
https://aviation.stackexchange.com/questions/24767/what-types-of-antennae-do-aircraft-have-and-what-are-their-functions
This is a very broad question and the only real answer is There is an antenna for every transmitter or receiver the aircraft will need If an aircraft needs to transmit or receive shortwave someone will cut a hole and mount a shortwave antenna on it If it doesn t need that capability it won t have that antenna voretaq7
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Antenna Housings On Planes - Communication radio antennas usually are mounted on the wings of high wing airplanes Photo by Chris Rose Communication antennas Communication antennas are basic in operation Each com transmitter has its own antenna mostly for redundancy
