X-Band 2-dish Interferometer

Experiment Instructions (interf_11.pdf)

Technical Information

• How to point the inteferometer - pointing
• Technical specifications of the interferometer - specs
• Block diagram of interferometer - (interferometer_signal_path.pdf)
• Photographs of the interferometer - pictures
• Computer help - Mira
• Help! It's not working - FAQ

Handouts

• Least Squares Fitting - 31 page "Lite" version, 65 page "Full" version
• Spherical Coordinate Transformations with IDL - (ay120coord.ps)
• IDL Datatypes and Organizational Structures Tutorial - (idldatatypes.ps)
• Common Editing Tasks and their Emacs Keystroke Counterparts by Carl Heiles - (emacskeyops.ps)

Sun interferometer data measured at 10.7 GHz

sun.mp3 - The 8 hour voltage pattern below, sampled at a rate of about 1 Hz, was converted to about 1 second of sound by assuming a 33kHz sampling rate.
sun_19feb2007_freqs.sav - raw data in an IDL save file. [Not a text file]

sun_18feb2007_giant.sav - raw data in an IDL save file.  [Not a text file]

Non-Linear Least Squares Fit and Data for the Zero-Crossing

Moon interferometer data measured at 10.7GHz

moon20Feb08.sav - raw data in an IDL save file.  [Not a text file]

The lack of signal around ha = -3.75 was due to a telescope pointing problem.

Cygnus-A interferometer data measured at 10.7GHz