From: Robert Duval / NRCan Subject: [IGSMAIL-0604] Antenna Height Changed at ALGO Date: Thu, 19 May 1994 5:21:43 PDT ****************************************************************************** IGS Electronic Mail Thu May 19 5:21:43 PDT 1994 Message Number 0604 ****************************************************************************** Author: Robert Duval / NRCan Subject: Antenna Height Changed at ALGO ADVISORY ======== Site name : ALGONQUIN 4 char ID : ALGO Monu inscription : 883160 Domes number : 40104M002 Please note antenna height change effective 19 May 94 (DOY 139) at 00:00 UT. ********************* Change of height introduced a gap in data for May 18 (DOY138) 23:38 -> 24::00 UT GPS Antenna Type : DORNE-MARGOLIN T Serial Number : 173 Vertical Antenna Height: 0.100 m Antenna Ref. Point : ARP = bottom of preamplifier (as per graphic) Date : effective 19-MAY-94 (00:00 UT) Graphic corresponding to antenna type on site: DORNE MARGOLIN T ----- / + \ <----------- (0.128) = L2 | + | <----------- (0.110) = L1 +------------------------------------------------+ | | | | | | | | +-+------------------------------------------------+-+ +------------------+-------------+-------------------+ | | =| +-+ | +=====| |=====+ <---------- (0.000) = ARP | | | | | | | |<-- spacer (0.100 m) | | | | | +-+ | +----------------+=====| |=====+-----------------+ <----- (-0.100)= monument | | reference point | | | | | Concrete pillar | | | | | | | -- Robert Duval Geodetic Survey Division Tel: (613) 947-2786 Natural Resources Canada (NRCan) Fax: (613) 995-3215 615 Booth Street E-mail: duval@geod.emr.ca Ottawa, Ontario K1A 0E9 *****************************************************************************