Darrel Emerson
National Radio Astronomy Observatory
Campus Building 65
949 N. Cherry Avenue
Tucson, AZ 85721
(520) 882 8250 x117
FAX: (520) 882 7955
Email to:
ALMA Project Books:
These Project Books are now all obsolete. Please
see the official ALMA web pages at
http://www.alma.nrao.edu/ .
ALMA Construction
Project Book is
here.
The original version of the
ALMA Test Interferometer
Project Book is
available here.
MMA Project Book
The last ever update of the
MMA Project Book (May 1999 version) is available. This is also available
from the official ALMA
web pages. The MMA Project Book is to be replaced by the ALMA
Construction Project Book, together with the ALMA Test Interferometer
Project Book.
Holography at the OSF (2005 discussion group)
List of minutes and index to documents
MMA Holography
Documents for the October 10 2000 Holography CDR
** Report of the Holography CDR
Minutes of the 2000-07-25 teleconference
Notes for the April 1999 PDR
MMA Project Book, Chapter 11
Report and Recommendations of the review panel (April 1999).
Material for the ALMA North American Technical Advisory
Committee (ANATAC) , including minutes of meetings,
is available with some restrictions. Please contact Darrel
for access to this.
 
Material for NRAO's OTC committee
Draft memo analysing the anticipated RFI level at ALMA antennas,
caused by radiation from the ALMA correlator at the AOS Technical
Building.
RFI radiated from the AOS TB, and a
comparison with the limits specified in ITU-R RA.769
Notes on
"Should we equalize lengths of fiber carrying the reference
LO to each ALMA antenna?"
ALMA Memo No. 504, The CloudSat Radar and Implications for ALMA
    outlines the likely impact of the satellite cloud radar expected
to be launched in April 2005.
12 Meter Telescope Frequency Usage
Relative occupancy of frequencies observed with the NRAO 12 M Telescope
Other links
Imaging Simulation with
Single Dish Pointing Correction Algorithm (MMA Memo #62)
NRAO Tucson,
and the 12 Meter Telescope at Kitt Peak
Introduction to
Astronomy at Millimeter Wavelengths, by Mark A. Gordon
The Moon at mm-waves , images
The Sun at mm-waves , images
The Radio Sky including a 408-MHz all-sky false color image,
contour plots, and graphs of background and solar emission vs frequency.
The Work of Sir Jagadis Chandra Bose: 100 Years of Millimeter-wave Research. (With color photographs of original apparatus.) A century ago, research was being conducted at wavelengths as small
as 5 mm (60 GHz), and was published in the scientific journals of the day.
Many of today's common-place microwave components were invented
and used in the last decade of the 19th century.
J.C. Bose: Millimetre Wave Research in the Nineteenth Century
(Presented to the Tencon IEEE meeting in Delhi, December 1998)
The Stage is Set: Developments before 1900 Leading to
Practical Wireless Communication
Presented to the GLOBECOM-2001 meeting of the
IEEE Communication Society
in San Antonio, Tx, November 2001.
Receiving the Mars Global Surveyor Relay using Phase Referencing for High Frequency Resolution
The Gain of the Axial-Mode Helix A numerical modelling study of
10,000 different helical antennas
Elliptical Polarization in the Ionosphere Sample calculations
on to what degree a VHF or UHF signal passing through the ionosphere can change from
linear to elliptical polarization.
The Twelfth-wave Transformer
A convenient way of transforming impedances using cable sections
See also:
Series Section Transmission Line Transformers
by Albert E. Weller, Jr.
and also: The Parallel Line transformer with BASIC program
by Albert E. Weller, Jr.
Articles: Summaries of some related popular articles, including
topics in radio astronomy and antenna design
Street maps to help find NRAO Tucson.
Last modified 2010-06-10