Quantcast How to Obtain a RADAR Bearing and Range - 14220_253

Click Here to
Order this information in Print

Click Here to
Order this information on CD-ROM

Click Here to
Download this information in PDF Format

 

Click here to make tpub.com your Home Page

Page Title: How to Obtain a RADAR Bearing and Range
Back | Up | Next

Click here for a printable version

Google


Web
www.tpub.com

Home

   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Combat
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
USMC
   
Products
  Educational CD-ROM's
Printed Manuals
Downloadable Books

   


 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
Navigational Radar, Continued - 14220_252
Up
Quartermaster 1 & C - Military manual for the Quartermaster rate
Next
How to Plot RADAR Fixes - 14220_254
How to Obtain a RADAR Bearing and Range Bearings The  PPI  is  equipped  with  a  bearing  cursor  and  a  range  strobe.  The bearing  cursor,  like  the  sweep,  appears  as  a  bright  line  and  can  be manually  rotated  through  360°.  Bearing  information  is  obtained  by rotating  the  cursor  to  the  center  of  the  target.  The  target  bearing  is  then read  directly  from  the  bearing  dial.  On  gyro-equipped  ships  (and  most ships  having  radars  are  so  equipped),  the  radar  has  a  gyro  input  and bearings  obtained  from  it  are  true.  If  a  gyro  failure  occurs  the  radar presentation  automatically  re-orients  to  a  relative  picture  and  relative bearings  may  be  taken  from  the  PPI. Ranges The  range  strobe  appears  as  a  bright  spot  riding  on  the  cursor.  As  the range  crank  is  turned  clockwise,  the  strobe  moves  out  from  the  center. Range  is  obtained  by  placing  the  strobe  on  the  leading  edge  (edge closest  to  the  center  of  the  PPI)  of  the  target.  The  target  range  is  then read  directly  from  the  range  dials,  either  in  miles  or  yards. Selecting  Objects When  plotting  a  radar  fix,  you  will  have  already  been  comparing  your to Shoot radar  "picture"  with  the  navigational  chart.  Pick  out  points  that  show prominently  on  both  the  chart  and  the  radar.  Try  to  locate  reliable targets  that  are  easy  to  identify.  You  cannot  afford  to  guess  on  what you  are  using  to  obtain  a  range  from.  Objects  not  permanently  fixed  to shore  or  the  ocean  bottom  such  as  buoys  should  not  be  used  when obtaining  a  radar  fix.  Tangents  also  should  be  used  as  a  last  resort. Shooting  Ranges The  order  in  which  you  take  your  radar  ranges  is  just  as  important  as  it in  Proper  Order was  in  visual  bearings.  Take  radar  ranges  ahead  and  astern  first  because they  are  changing  most  rapidly,  then  take  ranges  on  or  near  the  beam. As  is  true  with  visual  fixes,  time  is  a  critical  element.  Work  quickly, but accurately. 8-49

Privacy Statement - Press Release - Copyright Information. - Contact Us - Support Integrated Publishing

Integrated Publishing, Inc.
6230 Stone Rd, Unit Q Port Richey, FL 34668

Phone For Parts Inquiries: (727) 493-0744
Google +