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BC	16th October 2009 22:58

Mystery aerial

1 Attachment(s)

Hi all:

Hopefully some of you radar/radio equipment buffs can i.d. the aerial in the attached pic. It was found recently at a dig on a former USAAF WW 2 dump site in South Norfolk.

At first I thought it was German night-fighter radar, but the 'prongs' are similar to those found on the British "Rebecca" beam-approach aerial. There were originally six 'prongs' on the device, but unfortunately two were broken off.

I now think it looks similar to some of the aerials fitted to 100 (RAF) Group aircraft.

TIA for any help from TOCH forumites.

BC

Dan O'Connell

17th October 2009 00:08

Re: Mystery aerial

It looks like it used to be a 3 element yagi, a directional antenna, for about 150 megahertz, with the reflector to the right. The large spacing between the driven element and the director, to the left, would have created a large oval pattern, yet still directional.

BC	18th October 2009 20:51

Re: Mystery aerial

Thanks Dan. Can you state in simple English what it would be used for ? Is it a beam approach system or a search radar ?

BC

Dan O'Connell

18th October 2009 21:56

Re: Mystery aerial

It could have been used for either purpose. The entire pupose of an antenna of that style is directivity and gain, i.e. signal enhancement.

BC	19th October 2009 01:36

Re: Mystery aerial

Thanks Dan. Perhaps someone in the 100 (RAF) Group fraternity will be able to ID it for me.

BC

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