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Old 22nd Oct 2006, 06:14
  #871 (permalink)  
India Four Two
 
Join Date: Jun 2002
Location: Black Diamond AB (CEH2)
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Originally Posted by ChristiaanJ
Is the TFR the pimple on the front of the nose? And what was in there? Looks too small for X-band.
Apparently the pimple is the TFR. Have a look at Section 2.2 on this page that I found:

http://www.vectorsite.net/avvulcan_2.html
As of 1965, the General Dynamics AN/APN-171 terrain-following radar (TFR) capability was fitted in a thimble radome on the nose. It provided up-down signals to the cockpit to help the machine hug the ground.
This site contains an amazing amount of detail on a vast array of aircraft, not just the Vulcan :http://www.vectorsite.net/indexav.html
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