title: An assessment of the impact of radiofrequency interference on microwave SETI searches.
abstract: Investigations are carried out at JPL on radiofrequency interferences at very low levels (-130 to -180 dBm) in various bands, especially the 1-2 GHz band.  Extrapolation of interferences in the years to come is attempted.
authors.affiliation: Jet Propulsion Laboratory, California Institute of Technology, Pasadena 91109.
authors.forename: M J
authors.initials: MJ
authors.lastname: Klein
authors.forename: S
authors.initials: S
authors.lastname: Gulkis
authors.forename: E T
authors.initials: ET
authors.lastname: Olsen
authors.forename: E F
authors.initials: EF
authors.lastname: Armstrong
authors.forename: E B
authors.initials: EB
authors.lastname: Jackson
mesh_terms: D003142:Communication; D018534:Earth, Planet; D018559:Exobiology / Q000379:methods*; D005118:Extraterrestrial Environment; D008872:Microwaves; D011846:Radio Waves; D014481:United States; D018557:United States National Aeronautics and Space Administration