Rubidium Atomic Clock for Galileo

reportActive / Technical Report | Accession Number: ADA490205 | Open PDF

Abstract:

The overall performance of navigation payloads is dependent on the performance of the on-board clocks. Better stability leads directly to improved space segment autonomy and simplified ground segment operation. The European Space Agency supports the development of advanced atomic clocks in the frame of its Technology Demonstration Program and more recently under the GNSS-2 program. Two major activities are currently running with the aim fully space-qualifying a Rubidium Atomic Frequency Standard RAFS and a Space Hydrogen Maser SHM. The development activity for the Rubidium clocks is driven by the following major design goals Mass 1 Kg Short-term Stability 100s 5 x 10exp -13, flicker floor 5 x 10exp -14 Volume 1 ltr. Special emphasis has been placed on reliability for a 10-year mission. This article presents the status of the rubidium development program and focuses on the significant design goals and results obtained to date.

Author(s):
Jeanmaire, A. ; Rochat, P. ; Emma, F.
Author Organization(s):
TEMEX TIME NEUCHATEL (SWITZERLAND)
Descriptive Note:
Conference paper
Supplementary Note:
See also ADM001481. Presented at the Annual Precise Time and Time Interval (PTTI) Planning Meeting (31st) held in Dana Point, CA on 7-9 December 1999. Published in the Proceedings of the Annual Precise Time and Time Interval (PTTI) Planning Meeting (31st), p627-636, 1999.
Pagination:
0011

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release
Distribution Statement:
Approved For Public Release; Distribution Is Unlimited.

RECORD

Collection: TR
Identifying Numbers
Monitor Series:
X5
 Subject Terms
Joint Capability Areas:
JCA_5_Command and Control; JCA_5.3_Planning; JCA_6_Net Centric; JCA_8_Building Partnerships
Modernization Areas:
Space
Communities of Interest:
Space
Descriptor(s):
*ATOMIC CLOCKS, *RUBIDIUM, FREQUENCY STANDARDS, SYMPOSIA, STABILITY, NAVIGATION SATELLITES
Field(s)/Group(s):
Test Facilities, Equipment and Methods
Keyword(s):
RAFS(RUBIDIUM ATOMIC FREQUENCY STANDARD), *GALILEO PROGRAM
Report Date:
1999 Dec 01
Creation Date:
2008 Dec 17