[BC] A new Whatzit?

[Phil Alexander]

On 6 Feb 2006 at 13:42, Dan Walthers wrote:

> I've been reading this thread with great interest because I own the Whatzit.
> 
> 
> I wish I could give you a make and model, but there is nothing like this on
> the Whatzit.  There is however, several connecting posts located near the
> bottom label "A" through "H". "A" is the common post and "B" through "H" are
> tap points for a coil of wire looping around the circumference of the ring.
> "H" indicates there are a total of 105 turns.  The coil is made of green,
> cotton, insulated, magnet wire, gauge unknown. 

It is an unshielded or partially shielded loop antenna. That much is clear. 

> I too, believe it is some sort of RDF antenna, 

Probably used for radiolocation considering the "bands."

> but what kind and where it came from are a mystery.  

If no government markings, then perhaps a research lab of the 1930's?

> Each of the three legs comes to a point that is
> itself an adjustable screw to adjust the level of the loop.  The design
> leads me to believe there is a missing base plate of some sort as I see no
> way of keeping the base from moving while trying to adjust the direction of
> the loop.
> 
> There also appears to be something missing, inside, at the bottom of the
> loop.  There is a finely threaded mount, approximately 1/2" in diameter by
> 1/2" long, that looks like something else should mount there.

Try a surveyor's tripod with a 7/16" locking screw. But that makes it more
recent, and if it has leveling screws, where is the level or levels on the
instrument?

It is a puzzlement.


Phil Alexander, CSRE, AMD
Broadcast Engineering Services and Technology 
(a Div. of Advanced Parts Corporation) 
Ph. (317) 335-2065   FAX (317) 335-9037





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