INTERNATIONAL  TELECOMMUNICATION  UNION	

SUBSCRIPTION  CIRCULAR   No. 150
	Geneva,  24 May 1995

Order for the:

	ITU-R Handbook on Radio Astronomy

	An order form for the ITU-R Handbook on Radio Astronomy is attached hereto. This Handbook, the publication of which was decided by ITU-R Study Group 7 is intended to be of direct and immediate interest to administrators, radiocommunication engineers and astronomers.
	The content is described overleaf.
	To order this Handbook, please complete the order form and return it to the ITU Sales Service.

Annex : Order form

ITU-R HANDBOOK ON RADIO ASTRONOMY

	The first edition of the Handbook on Radio Astronomy has been developed by experts of Working Party 7D of Study Group 7 (Science services) that is responsible for radio astronomy, the search for extra-terrestrial intelligence (SETI), and radar astronomy.
	The Handbook is not intended as a source book on radio astronomy, but is concerned principally with those aspects of radio astronomy that are relevant to frequency coordination, that is, the management of radio spectrum usage in order to minimize interference between radiocommunication services. It consists of nine chapters, seven of which introduce the reader to radio astronomy viewed as a radiocommunication service for the purpose of frequency coordination. It covers areas such as the characteristics of radio astronomy, preferred frequency bands for observations, special radio astronomy applications, vulnerability to interference from other services, and issues associated with sharing the radio spectrum with other services. The two remaining chapters deal with  the search for extraterrestrial intelligence (SETI), and ground-based radar astronomy.
	It is hoped that this Handbook will be useful to administrations, radiocommunication engineers and astronomers.

Date of publication :	June 1995	
Format	A4 (21 x 29.7 cm)	
Number of pages :	about 72	
Languages :	Separate editions in English, French and Spanish	
Price :	provided the customary number of orders is received, the price will be approximately as follows :
	Swiss francs
	19.-
Catalogue Price	16.-
Administrations (ITU)		
ISBN :		English :	92-61-05711-X
French :	92-61-05712-8
Spanish	92-61-05713-6	

_________________

Payment for publications

	When ordering publications, ITU Administrations with accounts subject to Administrative Council Decision No. 387 (CA35.1980) and new customers are kindly requested to enclose payment with the order.
	Payments may be made :
		Switzerland:   to the postal cheque account of the ITU, Geneva 12-50-3.
		All other countries:
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	b)	by UNESCO coupon,
	c)	by bank transfer to the Swiss Bank Corporation, Geneva, Account No. C8-765,565.0.
	Payment may also be effected by a cheque made out in another currency freely convertible into Swiss francs provided that the cheque, when cashed and converted, will cover the price of the publications in Swiss francs.
		The ITU does not accept Letters of Credit.
		The following credit cards are accepted:
	–	American Express
	–	Eurocard-Mastercard
	–	Visa.

___________________

	ORDER FORM	Annex to Circular No. 150
ITU-R Handbook on Radio Astronomy	

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