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Amateur radio (also called ham radio) is the use of designated radio frequency spectra for purposes of private recreation, non-commercial exchange of messages, wireless experimentation, self-training, and emergency communication.
Amateur radio antenna with blue sky background. suitable for communication technology theme
A close-up shot of a ham radio antenna with stay ropes against a blue sky
Meter that measures power output of a shortwave radio in watts and monitors SWR during trasnmission.
Amateur radio Yagi antenna on tower with blue sky background
Antenna and clouds
A communications tower full of a variety of antennas stands out against a deep, blue, clear sky background.
This is an antenna tower used by the US NAVY.
A radio antenna on sky
Amateur radio antenna with blue sky background
Communication and transmission tower for military use
lightning rod
Lightning arrester system on flat roof. Details of industrial building.
Ham radio antenna against cloudy sky outdoors
Antenna and blue sky
black and white image of a communications mast, gritty contrast intentional
This is a scene where the Radio Antenna Station is with the sky and white clouds as a background
Antenna-like measuring instruments for research and development. Rural area in front of a forest.
Beja, Portugal: Precision Approach Radar (PAR, FIAR), special radar device that can be used to precisely monitor an aircraft's landing approach in elevation and azimuth, the abbreviation PAR also stands for the instrument approach procedure guided with the help of this type of radar - Beja Airport / BA11.
Telecommunications antenna
Circular antenna arrays join together. Composite image, monochrome.
Wind gauge towers (sometimes called meteorological evaluation towers (MET) are used to verify wind characteristics at potential sites for wind farms.
A weather station is a facility, either on land or sea, with instruments and equipment for measuring atmospheric conditions to provide information for weather forecasts and to study the weather and climate. The measurements taken include temperature, atmospheric pressure, humidity, wind speed, wind direction, and precipitation amounts.
Amateur radio antenna with blue sky background
Old style Television Antenna and satellite on the roof with the house
Antenna on blue sky background
A radar dish in a blue sky with puffy white clouds. This was used for monitoring aircraft.
the towering peak that is visible from below during the day
Antenna against the background of sea and mountains
Free Images: "bestof:AN188 antenna 100-156 MHz ground plane - part of the SCR-624 radio.JPG AN188 antenna 100-156 MHz ground plane - part of the SCR-624 radio own 2012-12-12 12 26"
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