Message-ID: <3AB786B5.BCB663D9@geod.nrcan.gc.ca> Date: Tue, 20 Mar 2001 11:35:01 -0500 From: Stephen Delahunt Organization: Geodetic Survey of Canada To: "IGSMAIL, at_IGSCB" , mark.caissy@nrcan.gc.ca Subject: [IGSMAIL-3240]: ALGO - INTERNAL CLOCK w/CLOCK STEERING Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 20 Mar 08:35:42 PST 2001 Message Number 3240 ****************************************************************************** AUTHOR: Stephen Delahunt DOMES #: 40104M002 STATION: ALGO (Algonquin Park VLBI, Ontario, Canada) AGENCY: Geodetic Survey Division, Natural Resources Canada (NRCan ...formerly EMR Canada) ADVISORY: - 08:02:30 UT the GPS receiver at ALGO stopped tracking; - 11:31:57 UT 2001-Mar-20 the Hydrogen Maser at ALGO went off-line; - 13:53:30 UT the GPS receiver resumed tracking on internal clock; - 14:29:00 UT the GPS receiver was taken off-line to invoke clock-steering; - 15:09:30 UT the GPS receiver was brought back on-line with the internal clock and steering ON; - a replacement atomic clock will soon be installed as a temporary measure; - The Hydrogen Maser is being examined and will be returned to service as quickly as possible. ==================================== Mailing Address: Stephen M. Delahunt Geodetic Survey Division, 615 Booth Street, Room 472, Ottawa, Ontario, CANADA K1A 0E9 Telephone: (613) 992-1292 Fax: (613) 995-3215 Internet: delahunt@geod.nrcan.gc.ca ====================================