nasa dsn radio astronomy

NASA DSN Radio Astronomy

Signal Processing Ambitions for DSN Radio Astronomy

Tom KuiperJPL - Caltech

NASA DSN Radio AstronomyDSN Station Locations

NASA DSN Radio AstronomyGoldstone – Madrid - Canberra

NASA DSN Radio Astronomy

Standard Receivers 1.6 – 1.7 GHz (70-m

antennas) 2.2 – 2.3 GHz 8.2 – 8.6 GHz 31.5 – 32.5 GHz (not

70-m antennas)

Radio Astronomy Receivers 18.0 – 26.5 GHz (70-

m antennas) 39 – 50 GHz

(Madrid 34-m) 31 – 34 GHz

(Goldstone 34-m)

NASA DSN Radio Astronomy18-26 GHz Receiver Concept

NASA DSN Radio Astronomy

Data recorders (Standard DSN equipment) MkV VLBI (500 MHz BW, post real-time

processing) VLBI Science Receivers ( 4x16 MHz BW, near real-

time software PFB, FFT, AC) Autocorrelators (Spaceborne)

Canberra (400 MHz, 4096 ch) Madrid (500 MHz, 1024 ch) Goldstone (500 MHz, 1024 ch)

NASA DSN Radio Astronomy Current Research

Extragalactic water masers (wide bandwidth, high resolution, [two polarizations])

H20, NH

3 (three lines), CCS [,C

3H

2] in star

forming regions CCS 11 GHz Zeeman effect in pre-protostellar

clouds VLBI SETI

NASA DSN Radio AstronomyFuture Capability

Search for extragalactic water masers: two polarization beamswitching (four IFs) with 8192 ch over 400 MHz

Search for RRATs and isolated bursts (400 MHz BW real-time de-dispersion and capture)

Giant nanosecond pulses between 18 and 26 GHz, full Stokes (de-dispersion and capture)

Monitor Mars electrostatic microdischarges

NASA DSN Radio AstronomySignal Processing Roadmap

08Q4 ROACH with 1 ADC prototype development Repair and deploy 128M ch SETI spectrometer

09Q1-2 Deploy and field test prototype at Goldstone

09Q3-4 Deploy one ROACH to each station

10Q1 ff .....