That’s the Russian radio-telescope that picked up what was thought to be a possible signal from an extraterrestrial civilization. This article from the SETI Institute has some interesting tech info on antennas and power levels. Definitely not QRP!
A Signal for SETI? HD 164595

Then the required power is 1020 watts, or 100 billion billion watts ?? Someone’s building an amplifier…and its gone into self oscillation… in the star cluster
http://www.cbc.ca/news/canada/british-columbia/first-contact-radio-emission-from-nearby-star-has-canadian-scientists-buzzing-1.3743016