INTERNATIONAL  TELECOMMUNICATION  UNION	
SUBSCRIPTION  CIRCULAR   No. 222
	Geneva, 30th May 1997

Order for the

Handbook on Selection and Use of Precise Frequency and Time Systems
(1997 Edition)

An order form for the “Handbook on Selection and Use of Precise Frequency and Time Systems (1997 Edition)” is attached hereto.

The document is described overleaf.

To order this publication, please complete the order form and return it to the ITU Sales Service.

Annex : Order form

HANDBOOK ON SELECTION AND USE OF PRECISE FREQUENCY 

AND TIME SYSTEMS 

(1997 Edition)

This Handbook on Selection and Use of Precise Frequency and Time Systems has been developed by the Group of experts in the field of the frequency standards and time signals of Radiocommunication Study Group 7 - Science services.
This Handbook consists of ten Chapters which describe basic concepts, frequency and time sources, measurement techniques, characteristics of various frequency standards, operational experience, problems and future prospects. The contents include detailed explanations and many references that can be consulted for additional details.
The technical content of this Handbook is intended for use by administrations of both developing and developed countries and by the Radiocommunication Bureau. The Handbook will also be useful to engineers of scientific and industrial organizations.

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Date of publication :	June 1997	
Size :	A4 (21 x 29.7 cm)	
Number of pages :	about 200	
Languages :	Separate editions (French, English, Spanish)	
Price :	provided the customary number of orders is received, the price will be approximately as follows:
	Swiss francs

Catalogue	50.-
Member States and Sector Members	43.-
Least Developed Countries	30.-	
ISBN :		English 	:	92-61-06511-2
French	:	92-61-06512-0
Spanish	:	92-61-06513-9	

________________________
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Payments can be made by cheque in another currency freely convertible into Swiss francs, provided that the cheque, when converted by the bank at the prevailing rate, will cover the entire price of the service in Swiss francs.
The ITU does not accept Letters of Credit.

___________________

	ORDER FORM	Annex to Circular No. 222

Handbook on Selection and Use of Precise Frequency 
and Time Systems (1997 Edition)	

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10503	French	
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10505	Spanish	
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