Lincoln Experimental Satellite 1

Launched by the united states air force usaf on february 11 1965 it pioneered many then advanced technologies including active use of the military s uhf ultrahigh frequency band 225 to 400 mhz to service hundreds of users.

Lincoln experimental satellite 1. Additionally attitude control and sensing experiments were conducted. Lincoln experimental satelite 1 les 1 was recovered on the 237mhz band by philip williams g3ypq in 2013. Les 1 lincoln experimental satellite 1 was a us military communications satellite launched from cape canaveral aboard a titan 3a rocket. Scott tilley a canadian ham radio enthusiast used his spare time during covid 19 lockdown to track down a signal from les 5 an experimental communications satellite launched in 1967.

Les 1 and 2 lincoln experimental satellite 1 and 2 were essentially identical experimental communications satellites. Fleet satellite fltsat an outgrowth of the lincoln experimental satellite series and tacsat 1 fltsat was developed by the navy to be the first complete operational system in space to serve the. Space surveillance network in 2019. The lincoln experimental satellite or les series of satellites were designed to test the viability of using the ultra high frequency uhf band to give the armed forces a secure comms system.

Les 1 and 2 lincoln experimental satellite 1 and 2 were essentially identical experimental communication satellites. This curiosity peaked my interest as to what else may be emitting signals in this now largely unused portion of the radio spectrum. And les 1 is just one of close to 20 000 man made objects perpetually orbiting our planet according to figures released by the u s. Les 1 lincoln experimental satellite mission.

Both featured a single x band transponder and an 8 horn electronically switched antenna. Both featured a single x band transponder and an 8 horn electronically switched antenna. Additionally attitude control and sensing experiments were conducted.