WebAug 30, 2015 · In order to determine what maximum possible range you can get at your location, follow the steps below: (1) Visit the site heywhatsthat.com. (2) Select tab “new panorama”. (3) Enter your latitude and longitude. (4) Enter your elevation (=enter elevation of your antenna) (5) Enter title. (6) Hit “submit request” button. WebI'm certainly not an expert at this, but I had good results building my own antennas for ADS-B reception. I built both a coaxial collinear and a 1/2 wavelength dipole.. These images show the antennas as well as a plot of their reception range. The red boundary shows the dipole reception range and the green boundary shows the coaxial collinear reception …
ADS-B DIY Antenna – This is not a blog
WebADS-B Antennas. ADS-B is the automated process by which appropriately equipped aircraft transmit technical data such as position, flight direction and altitude, but also information such as identification and flight number. The transmission is undirected (broadcast, the "B" in ADS-B) and unsolicited on the frequency 1090 MHz. WebFeb 6, 2024 · Here are the relevant calculations: wavelength = speed of light / frequency wavelength = 299,792,000 m/s / 1,090,000,000Hz wavelength = 0.275m = 275mm half wavelength = 137.5mm quarter wavelength = … robert d ashford
Best indoor antenna placement : r/ADSB - Reddit
http://tinab.blog/ads-b-diy-antenna WebBoth antennas are mounted indoors about 3 feet apart from each other. The collinear antenna was made from 6 segments of RG6, cut to 15cm lengths with ~2cm of wire … WebFeb 12, 2024 · Home-brew Compact 6dBi Collinear Antenna. (first published September 2005, details of higher-gain version added July 2013) This page details the construction of an easy-to-make collinear 360 … robert d ahlgren and associates