Very low frequency SETI search strategy

Details Very low frequency SETI search strategy Very low frequency SETI search strategy

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985stoc.iafcr....g&link_type=abstract

IAF, International Astronautical Congress, 36th, Stockholm, Sweden, Oct. 7-12, 1985. 5 p.

Astronomy and Astrophysics

Astronomy

Dipole Antennas, Interstellar Communication, Project Seti, Radio Signals, Spacetennas, Very Low Frequencies, Electron Density (Concentration), Galactic Radio Waves, Omnidirectional Antennas, Radio Astronomy, Radio Spectroscopy

Scientific paper

A SETI experiment is proposed which uses a 150 km long half-wave dipole tuned to resonance at frequencies in the 1 kHz band. Such a dipole can be very light, no more than 150 kg, and can be deployed propelled as well as propelled into the outer solar system region using a solar sail. A very large collecting surface equal to one million 100 meter dishes could detect a 1 MW transmitter at a distance of 10 light years. The SNR would be better than a factor of seven, making the signal clearly visible without integration. The probe would be nearly omnidirectional and would survey a relatively narrow band of frequencies. This experiment would also supply much new information about the mean electron density in interstellar clouds, the Galactic background, and radio signals generated in the outer solar corona and planetary magnetospheres.

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