Subject: [IGSMAIL-0748] YELLOWKNIFE ANTENNA HEIGHT CHANGE
From: Robert Duval / NRCan
Date: Mon, 17 Oct 1994 8:36:52 PDT

******************************************************************************
IGS Electronic Mail      Mon Oct 17  8:36:52 PDT 1994      Message Number 0748
******************************************************************************

Author: Robert Duval / NRCan
Subject: YELLOWKNIFE ANTENNA HEIGHT CHANGE

ADVISORY
========

Site_name          : YELLOWKNIFE    
4 char ID          : YELL    
Monu inscription   : 889201  
Domes number       : 40127M003 

Following is a sketch of the new antenna configuration at Yellowknife. Updated
station log has been forwarded to IGSCB.

    ANTENNA CONFIGURATION ON SITE SINCE 14-OCT-94  00:15 UT:

    Type: DORNE MARGOLIN T

                                    ---  
     L2 Phase Center =>         /    +    \             <---------------+ 
     L1 Phase Center =>        |     +     |            <---------+     | 
              +----------------------------------------------+    |     | 
              |                                              |    |     |
              |                                              |    |     |
              |                                              |    |     |
              |                                              |    |     |
             ==================================================   |     |
                               |           |                      |     |
                               |    +-+    |                      |   0.228m
   Antenna Ref. Point (ARP) => +====| |====+   <--+               |     |
                               |           |      |             0.210m  |     
                               |           |      |               |     |
                               |           |      |               |     |
                      Mount => |           |    0.100m            |     |
                               |           |      |               |     |
                               |           |      |               |     |
                               |    +-+    |      |               |     |
 Monument =>  +----------------+====| |====+-----------------+ <--+-----+   
 Ref. 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: [email-masked]
Ottawa, Ontario
K1A 0E9

*****************************************************************************

[Mailed From: Robert Duval <[email-masked]>]